diff --git a/example/includes/config.yml b/example/includes/config.yml
index d6e3de6..1f1c5b3 100644
--- a/example/includes/config.yml
+++ b/example/includes/config.yml
@@ -13,12 +13,6 @@ upload_tmp_directory: ${tmp_root_directory}/uploading"
 # Main pagetitle
 main_pagetitle: "Eesyphp"
 
-# Theme CSS file
-included_css_files:
-  #- css/custom.css
-included_js_files:
-  #- js/custom.js
-
 # Debug Ajax request/response
 debug_ajax: false
 
@@ -81,12 +75,17 @@ sentry:
   traces_sample_rate: 0.2
 
 #
-# Smarty template configuration
+# Smarty templates configuration
 #
-template:
+templates:
   # Smarty directories
   directory: "${root_directory_path}/templates"
   cache_directory: "${tmp_root_directory}/templates_c"
+  # Theme CSS file
+  included_css_files:
+    #- css/custom.css
+  included_js_files:
+    #- js/custom.js
 
 #
 # Translations
diff --git a/example/includes/core.php b/example/includes/core.php
index 1adb010..30605b3 100644
--- a/example/includes/core.php
+++ b/example/includes/core.php
@@ -24,7 +24,7 @@ $root_dir_path = realpath(dirname($script).'/../');
 set_include_path($root_dir_path.'/includes' . PATH_SEPARATOR . get_include_path());
 
 // Load composer autoload.php
-require("$root_dir_path/../vendor/autoload.php");
+require("$root_dir_path/vendor/autoload.php");
 
 // Initialize EesyPHP application
 App::init(
diff --git a/example/includes/templates.php b/example/includes/templates.php
index 2cb7c12..478dc16 100644
--- a/example/includes/templates.php
+++ b/example/includes/templates.php
@@ -22,15 +22,6 @@ Tpl :: enable_security_mode(
   array('range', 'implode', 'stripslashes')
 );
 
-// Defined some global template variables
-Tpl :: assign('public_root_url', App::get('public_root_url', '/', 'string'));
-Tpl :: assign('main_pagetitle', App::get('main_pagetitle', null, 'string'));
-Tpl :: assign('session_key', $_SESSION['session_key']);
-
-// Handle CSS & JS files included
-Tpl :: add_css_file(App::get('included_css_files', array(), 'array'));
-Tpl :: add_js_file(App::get('included_js_files', array(), 'array'));
-
 function define_common_template_variables($event) {
   global $status_list, $admin;
   Tpl :: assign(
diff --git a/example/includes/url-public.php b/example/includes/url-public.php
index f1e7e67..249e315 100644
--- a/example/includes/url-public.php
+++ b/example/includes/url-public.php
@@ -10,11 +10,6 @@ use function EesyPHP\vardump;
 if (php_sapi_name() == "cli")
   return true;
 
-function handle_homepage($request) {
-  Tpl :: display("homepage.tpl", _("Hello world !"));
-}
-Url :: add_url_handler('#^$#', 'handle_homepage');
-
 function handle_search($request) {
   global $status_list;
 
diff --git a/example/locales/eesyphp-messages.pot b/example/locales/eesyphp-messages.pot
new file mode 100644
index 0000000..ad93693
--- /dev/null
+++ b/example/locales/eesyphp-messages.pot
@@ -0,0 +1,305 @@
+#: Cli.php:34
+#, php-format
+msgid "The CLI command '%s' already exists."
+msgstr ""
+
+#: Cli.php:39
+#, php-format
+msgid "The CLI command '%s' handler is not callable !"
+msgstr ""
+
+#: Cli.php:71
+#, php-format
+msgid "Usage: %s [-h] [-qd] command\n"
+msgstr ""
+
+#: Cli.php:72
+msgid "  -h        Show this message\n"
+msgstr ""
+
+#: Cli.php:73
+msgid "  -q / -d   Quiet/Debug mode\n"
+msgstr ""
+
+#: Cli.php:74
+msgid "  --trace   Trace mode (the most verbose)\n"
+msgstr ""
+
+#: Cli.php:75
+msgid "  command   Command to run\n"
+msgstr ""
+
+#: Cli.php:77
+msgid "Available commands:\n"
+msgstr ""
+
+#: Cli.php:125
+msgid "Only one command could be executed !"
+msgstr ""
+
+#: Cli.php:153
+#, php-format
+msgid ""
+"Invalid parameter \"%s\".\n"
+"Note: Command's parameter/argument must be place after the command."
+msgstr ""
+
+#: Cli.php:178
+#, php-format
+msgid "An exception occured running command %s"
+msgstr ""
+
+#: Db.php:74
+msgid "Unable to connect to the database."
+msgstr ""
+
+#: Email.php:141
+#, php-format
+msgid "</hr><p><small>Mail initialy intended for %s.</small></p>"
+msgstr ""
+
+#: Email.php:142
+#, php-format
+msgid ""
+"\n"
+"\n"
+"\n"
+"Mail initialy intended for %s."
+msgstr ""
+
+#: Email.php:178
+#, php-format
+msgid "<p><small>%s: %s</small></p>"
+msgstr ""
+
+#: Email.php:179
+#, php-format
+msgid ""
+"\n"
+"%s: %s"
+msgstr ""
+
+#: Tpl.php:339
+msgid "No template specified."
+msgstr ""
+
+#: Tpl.php:370
+msgid "An error occurred while displaying this page."
+msgstr ""
+
+#: Url.php:141
+msgid "Bad request"
+msgstr ""
+
+#: Url.php:142
+msgid "Invalid request."
+msgstr ""
+
+#: Url.php:145
+msgid "Authentication required"
+msgstr ""
+
+#: Url.php:146
+msgid "You have to be authenticated to access to this page."
+msgstr ""
+
+#: Url.php:149
+msgid "Access denied"
+msgstr ""
+
+#: Url.php:150
+msgid ""
+"You do not have access to this application. If you think this is an error, "
+"please contact support."
+msgstr ""
+
+#: Url.php:153
+msgid "Whoops ! Page not found"
+msgstr ""
+
+#: Url.php:154
+msgid "The requested page can not be found."
+msgstr ""
+
+#: Url.php:162
+msgid "Error"
+msgstr ""
+
+#: Url.php:163
+msgid "An unknown error occurred. If problem persist, please contact support."
+msgstr ""
+
+#: Url.php:226
+msgid ""
+"Unable to determine the requested page. If the problem persists, please "
+"contact support."
+msgstr ""
+
+#: Url.php:376
+msgid ""
+"Unable to determine the requested page (loop detected). If the problem "
+"persists, please contact support."
+msgstr ""
+
+#: Url.php:407
+msgid "This request cannot be processed."
+msgstr ""
+
+#: Url.php:420
+msgid ""
+"Authentication required but force_authentication function is not defined."
+msgstr ""
+
+#: Url.php:429
+msgid "This request could not be processed correctly."
+msgstr ""
+
+#: I18n.php:114 App.php:120
+msgid "Hello world !"
+msgstr ""
+
+#: I18n.php:130
+msgid "Extract messages that need to be translated"
+msgstr ""
+
+#: I18n.php:132
+msgid "This command could be used to generate/update lang/messages.pot file."
+msgstr ""
+
+#: I18n.php:138
+msgid "Update messages in translation PO lang files"
+msgstr ""
+
+#: I18n.php:140
+msgid ""
+"This command could be used to init/update PO files in lang/*/LC_MESSAGES "
+"directories."
+msgstr ""
+
+#: I18n.php:147
+msgid ""
+"Compile messages from existing translation PO lang files to corresponding MO "
+"files and JSON catalogs"
+msgstr ""
+
+#: I18n.php:152
+msgid ""
+"This command could be used to compile PO files in lang/*/LC_MESSAGES "
+"directories to MO files and as JSON catalogs in public_html/translations."
+msgstr ""
+
+#: I18n.php:277 I18n.php:307
+msgid "Fail to list PHP files."
+msgstr ""
+
+#: I18n.php:296 I18n.php:326
+msgid "Fail to extract messages from PHP files using xgettext."
+msgstr ""
+
+#: I18n.php:338
+#, php-format
+msgid "Fail to list JS files in '%s' static directory."
+msgstr ""
+
+#: I18n.php:358
+msgid "Fail to extract messages from JS files using xgettext."
+msgstr ""
+
+#: I18n.php:374
+msgid ""
+"Fail to extract messages from template files using tsmarty2c.php script."
+msgstr ""
+
+#: I18n.php:402
+msgid "Fail to merge messages using msgcat."
+msgstr ""
+
+#: I18n.php:416
+#, php-format
+msgid "Compendium file %s not found."
+msgstr ""
+
+#: I18n.php:423
+#, php-format
+msgid "POT file not found (%s). Please run extract_messages first."
+msgstr ""
+
+#: I18n.php:435 I18n.php:543
+#, php-format
+msgid "Lang directory '%s' found"
+msgstr ""
+
+#: I18n.php:441 I18n.php:549
+#, php-format
+msgid "LC_MESSAGES directory not found in lang '%s' directory, ignore it."
+msgstr ""
+
+#: I18n.php:456
+#, php-format
+msgid "Fail to init messages in %s PO file using msginit (%s)."
+msgstr ""
+
+#: I18n.php:474
+#, php-format
+msgid "Fail to update messages in %s PO file using msgmerge (%s)."
+msgstr ""
+
+#: I18n.php:480 I18n.php:557
+#, php-format
+msgid "PO file not found in lang '%s' directory, ignore it."
+msgstr ""
+
+#: I18n.php:487 I18n.php:597
+#, php-format
+msgid "Fail to open root lang directory (%s)."
+msgstr ""
+
+#: I18n.php:513
+#, php-format
+msgid "Lang alias symlink found: %s -> %s"
+msgstr ""
+
+#: I18n.php:520
+#, php-format
+msgid "JSON catalog symlink for %s -> %s created (%s)"
+msgstr ""
+
+#: I18n.php:524
+#, php-format
+msgid "Fail to create JSON catalog symlink for %s -> %s (%s)"
+msgstr ""
+
+#: I18n.php:530
+#, php-format
+msgid "JSON catalog symlink for %s -> %s already exist (%s)"
+msgstr ""
+
+#: I18n.php:535
+#, php-format
+msgid ""
+"JSON catalog file for %s already exist, but it's not a symlink to %s (%s)"
+msgstr ""
+
+#: I18n.php:570
+#, php-format
+msgid "Fail to compile messages from %s PO file as MO file using msgfmt (%s)."
+msgstr ""
+
+#: I18n.php:580
+#, php-format
+msgid "Fail to open %s JSON catalog file in write mode (%s)."
+msgstr ""
+
+#: I18n.php:585
+#, php-format
+msgid "Fail to write %s JSON catalog in file (%s)."
+msgstr ""
+
+#: I18n.php:590
+#, php-format
+msgid "%s JSON catalog writed (%s)."
+msgstr ""
+
+#: App.php:122
+msgid "Hello world!"
+msgstr ""
diff --git a/example/locales/php-messages.pot b/example/locales/php-messages.pot
index 8615dc5..20c277d 100644
--- a/example/locales/php-messages.pot
+++ b/example/locales/php-messages.pot
@@ -1,554 +1,259 @@
-#: /home/brenard/dev/eesyphp/includes/url-helpers.php:5
+#: includes/cli.php:23
+#, php-format
+msgid "Item #%s:\n"
+msgstr ""
+
+#: includes/cli.php:24
+#, php-format
+msgid "ID: %s"
+msgstr ""
+
+#: includes/cli.php:25
+#, php-format
+msgid "Name: '%s'"
+msgstr ""
+
+#: includes/cli.php:26
+#, php-format
+msgid "Date: %s"
+msgstr ""
+
+#: includes/cli.php:28
+#, php-format
+msgid "Description: %s"
+msgstr ""
+
+#: includes/cli.php:29
+msgid "Not set"
+msgstr ""
+
+#: includes/cli.php:31
+#, php-format
+msgid "Status: %s"
+msgstr ""
+
+#: includes/cli.php:84
+msgid "No item.\n"
+msgstr ""
+
+#: includes/cli.php:110
+#, php-format
+msgid "%d item(s)"
+msgstr ""
+
+#: includes/cli.php:116
+msgid "List/search items"
+msgstr ""
+
+#: includes/cli.php:117
+msgid "[patterns]"
+msgstr ""
+
+#: includes/cli.php:119
+msgid "-o|--orderby       Ordering list criterion. Possible values:"
+msgstr ""
+
+#: includes/cli.php:121
+msgid "-r|--reverse       Reverse order"
+msgstr ""
+
+#: includes/cli.php:122
+msgid "-s|--status        Filter on status. Possible values:"
+msgstr ""
+
+#: includes/cli.php:129
+msgid "You must provide a valid ID."
+msgstr ""
+
+#: includes/cli.php:135 includes/cli.php:159
+#, php-format
+msgid "Item #%s not found."
+msgstr ""
+
+#: includes/cli.php:143
+msgid "Show item"
+msgstr ""
+
+#: includes/cli.php:144
+msgid "[ID]"
+msgstr ""
+
+#: includes/cli.php:149
+msgid "You must provide item ID."
+msgstr ""
+
+#: includes/cli.php:153
+msgid "Invalid item ID"
+msgstr ""
+
+#: includes/cli.php:164
+msgid "Are you sure you want to delete this item?  Type 'yes' to continue: "
+msgstr ""
+
+#: includes/cli.php:168
+msgid "User cancel"
+msgstr ""
+
+#: includes/cli.php:174
+#, php-format
+msgid "An error occured deleting item #%d."
+msgstr ""
+
+#: includes/cli.php:181
+msgid "Delete item"
+msgstr ""
+
+#: includes/cli.php:182
+msgid "[item ID]"
+msgstr ""
+
+#: includes/cli.php:194
+msgid "Export items (as CSV)"
+msgstr ""
+
+#: includes/cli.php:195
+msgid "[output file path]"
+msgstr ""
+
+#: includes/cli.php:210
+msgid "Restore items (from CSV)"
+msgstr ""
+
+#: includes/cli.php:211
+msgid "[input file path]"
+msgstr ""
+
+#: includes/cli.php:278
+msgid "Cron to handle item expiration"
+msgstr ""
+
+#: includes/cli.php:281
+msgid "-j/--just-try    Just-try mode : do not really removed expired item(s)"
+msgstr ""
+
+#: includes/cli.php:282
+msgid "-m/--max-age     Item expiration limit (in days, optional)"
+msgstr ""
+
+#: includes/url-helpers.php:9
 msgid "Invalid element identifier."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-helpers.php:9
-#: /home/brenard/dev/eesyphp/includes/url-public.php:222
-#: /home/brenard/dev/eesyphp/includes/url-public.php:246
+#: includes/url-helpers.php:13 includes/url-public.php:220
+#: includes/url-public.php:242
 #, php-format
 msgid "Item #% s not found."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/smarty.php:61
-msgid "Smarty version not supported."
+#: includes/core.php:51
+msgid "Pending"
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/smarty.php:148
-msgid "No template specified."
+#: includes/core.php:52
+msgid "Validated"
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/smarty.php:166
-msgid "An error occurred while viewing this page."
+#: includes/core.php:53
+msgid "Refused"
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:7
-#: /home/brenard/dev/eesyphp/includes/translation.php:140
-msgid "Hello world !"
+#: includes/core.php:54
+msgid "Archived"
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:31
+#: includes/url-public.php:33
 msgid "Any"
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:89
+#: includes/url-public.php:91
 msgid ""
 "An error occurred while listing the items. If the problem persists, please "
 "contact support."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:104
+#: includes/url-public.php:106
 msgid "Search"
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:128
+#: includes/url-public.php:128
 #, php-format
 msgid "Element %s"
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:142
+#: includes/url-public.php:142
 #, php-format
 msgid "The element '% s' has been created."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:146
+#: includes/url-public.php:146
 msgid "An error occurred while saving this item."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:153
+#: includes/url-public.php:153
 msgid ""
 "There are errors preventing this item from being saved. Please correct them "
 "before attempting to add this item."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:160
+#: includes/url-public.php:160
 msgid "New"
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:170
+#: includes/url-public.php:170
 msgid "You cannot edit this item."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:183
+#: includes/url-public.php:183
 #, php-format
 msgid "You have not made any changes to element '% s'."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:187
+#: includes/url-public.php:187
 #, php-format
 msgid "The element '% s' has been updated successfully."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:191
+#: includes/url-public.php:191
 msgid "An error occurred while updating this item."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:199
+#: includes/url-public.php:199
 msgid ""
 "There are errors preventing this item from being saved. Please correct them "
 "before attempting to save your changes."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:211
+#: includes/url-public.php:211
 #, php-format
 msgid "Element %s: Modification"
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:226
+#: includes/url-public.php:224
 msgid "This item is already archived."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:229
+#: includes/url-public.php:227
 msgid "You cannot archive this item."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:232
+#: includes/url-public.php:230
 #, php-format
 msgid "The element '% s' has been archived successfully."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:235
+#: includes/url-public.php:233
 msgid "An error occurred while archiving this item."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:249
+#: includes/url-public.php:245
 msgid "You cannot delete this item."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:252
+#: includes/url-public.php:248
 #, php-format
 msgid "The element '% s' has been deleted successfully."
 msgstr ""
 
-#: /home/brenard/dev/eesyphp/includes/url-public.php:255
+#: includes/url-public.php:251
 msgid "An error occurred while deleting this item."
 msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/db.php:31
-msgid "Unable to connect to the database."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/core.php:44
-msgid "Pending"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/core.php:45
-msgid "Validated"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/core.php:46
-msgid "Refused"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/core.php:47
-msgid "Archived"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:59
-msgid "Fail to list PHP files."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:76
-msgid "Fail to extract messages from PHP files using xgettext."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:86
-msgid "Fail to list JS files."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:103
-msgid "Fail to extract messages from JS files using xgettext."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:116
-msgid ""
-"Fail to extract messages from template files using tsmarty2c.php script."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:142
-msgid "Fail to merge messages using msgcat."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:147
-msgid "Extract messages that need to be translated"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:149
-msgid "This command could be used to generate/update lang/messages.pot file."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:165
-#, php-format
-msgid "Compendium file %s not found."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:172
-#, php-format
-msgid "POT file not found (%s). Please run extract_messages first."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:184
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:301
-#, php-format
-msgid "Lang directory '%s' found"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:190
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:307
-#, php-format
-msgid "LC_MESSAGES directory not found in lang '%s' directory, ignore it."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:205
-#, php-format
-msgid "Fail to init messages in %s PO file using msginit (%s)."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:223
-#, php-format
-msgid "Fail to update messages in %s PO file using msgmerge (%s)."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:229
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:315
-#, php-format
-msgid "PO file not found in lang '%s' directory, ignore it."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:236
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:356
-#, php-format
-msgid "Fail to open root lang directory (%s)."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:241
-msgid "Update messages in translation PO lang files"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:243
-msgid ""
-"This command could be used to init/update PO files in lang/*/LC_MESSAGES "
-"directories."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:270
-#, php-format
-msgid "Lang alias symlink found: %s -> %s"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:277
-#, php-format
-msgid "JSON catalog symlink for %s -> %s created (%s)"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:281
-#, php-format
-msgid "Fail to create JSON catalog symlink for %s -> %s (%s)"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:287
-#, php-format
-msgid "JSON catalog symlink for %s -> %s already exist (%s)"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:293
-#, php-format
-msgid ""
-"JSON catalog file for %s already exist, but it's not a symlink to %s (%s)"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:329
-#, php-format
-msgid "Fail to compile messages from %s PO file as MO file using msgfmt (%s)."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:339
-#, php-format
-msgid "Fail to open %s JSON catalog file in write mode (%s)."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:344
-#, php-format
-msgid "Fail to write %s JSON catalog in file (%s)."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:349
-#, php-format
-msgid "%s JSON catalog writed (%s)."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:362
-msgid ""
-"Compile messages from existing translation PO lang files to corresponding MO "
-"files and JSON catalogs"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/translation-cli.php:367
-msgid ""
-"This command could be used to compile PO files in lang/*/LC_MESSAGES "
-"directories to MO files and as JSON catalogs in public_html/translations."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/mail.php:14
-#, php-format
-msgid ""
-"\n"
-"\n"
-"\n"
-"Mail initialy intended for %s."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:98
-msgid "Bad request"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:99
-msgid "Invalid request."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:102
-msgid "Authentication required"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:103
-msgid "You have to be authenticated to access to this page."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:106
-msgid "Access denied"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:107
-msgid ""
-"You do not have access to this application. If you think this is an error, "
-"please contact support."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:110
-msgid "Whoops ! Page not found"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:111
-msgid "The requested page can not be found."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:119
-msgid "Error"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:120
-msgid "An unknown error occurred. If problem persist, please contact support."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:165
-msgid ""
-"Unable to determine the requested page. If the problem persists, please "
-"contact support."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:318
-msgid ""
-"Unable to determine the requested page (loop detected). If the problem "
-"persists, please contact support."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:347
-msgid "This request cannot be processed."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:360
-msgid ""
-"Authentication required but force_authentication function is not defined."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/url.php:368
-msgid "This request could not be processed correctly."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:8
-#, php-format
-msgid "The CLI command '%s' already exists."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:13
-#, php-format
-msgid "The CLI command '%s' handler is not callable !"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:54
-#, php-format
-msgid "Usage: %s [-h] [-qd] command\n"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:55
-msgid "  -h        Show this message\n"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:56
-msgid "  -q / -d   Quiet/Debug mode\n"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:57
-msgid "  --trace   Trace mode (the most verbose)\n"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:58
-msgid "  command   Command to run\n"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:60
-msgid "Available commands:\n"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:102
-msgid "Only one command could be executed !"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:127
-#, php-format
-msgid ""
-"Invalid parameter \"%s\".\n"
-"Note: Command's parameter/argument must be place after the command."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:149
-#, php-format
-msgid "An exception occured running command %s"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:155
-#, php-format
-msgid "Item #%s:\n"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:156
-#, php-format
-msgid "ID: %s"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:157
-#, php-format
-msgid "Name: '%s'"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:158
-#, php-format
-msgid "Date: %s"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:160
-#, php-format
-msgid "Description: %s"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:161
-msgid "Not set"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:163
-#, php-format
-msgid "Status: %s"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:216
-msgid "No item.\n"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:242
-#, php-format
-msgid "%d item(s)"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:248
-msgid "List/search items"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:249
-msgid "[patterns]"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:251
-msgid "-o|--orderby       Ordering list criterion. Possible values:"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:253
-msgid "-r|--reverse       Reverse order"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:254
-msgid "-s|--status        Filter on status. Possible values:"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:261
-msgid "You must provide a valid ID."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:267
-#: /home/brenard/dev/eesyphp/includes/cli.php:291
-#, php-format
-msgid "Item #%s not found."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:275
-msgid "Show item"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:276
-msgid "[ID]"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:281
-msgid "You must provide item ID."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:285
-msgid "Invalid item ID"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:296
-msgid "Are you sure you want to delete this item?  Type 'yes' to continue: "
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:300
-msgid "User cancel"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:306
-#, php-format
-msgid "An error occured deleting item #%d."
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:313
-msgid "Delete item"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:314
-msgid "[item ID]"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:326
-msgid "Export items (as CSV)"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:327
-msgid "[output file path]"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:342
-msgid "Restore items (from CSV)"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:343
-msgid "[input file path]"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:412
-msgid "Cron to handle item expiration"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:415
-msgid "-j/--just-try    Just-try mode : do not really removed expired item(s)"
-msgstr ""
-
-#: /home/brenard/dev/eesyphp/includes/cli.php:416
-msgid "-m/--max-age     Item expiration limit (in days, optional)"
-msgstr ""
diff --git a/example/templates/form.tpl b/example/templates/form.tpl
index d7c3ce3..bf2b73e 100644
--- a/example/templates/form.tpl
+++ b/example/templates/form.tpl
@@ -1,4 +1,4 @@
-{extends file='empty.tpl'}
+{extends file='Tpl:empty.tpl'}
 {block name="content"}
 <form enctype="multipart/form-data" method="post" class="container" id="item-form">
   <input type='hidden' name='session_key' value='{$session_key|escape:'quotes'}' />
diff --git a/example/templates/homepage.tpl b/example/templates/homepage.tpl
index 5bf39c4..2891d16 100644
--- a/example/templates/homepage.tpl
+++ b/example/templates/homepage.tpl
@@ -1,4 +1,4 @@
-{extends file='empty.tpl'}
+{extends file='Tpl:empty.tpl'}
 {block name="pagetitle"}{/block}
 {block name="content"}
 <div class="jumbotron">
diff --git a/example/templates/search.tpl b/example/templates/search.tpl
index 1efe03a..1c8f1ce 100644
--- a/example/templates/search.tpl
+++ b/example/templates/search.tpl
@@ -1,4 +1,4 @@
-{extends file='empty.tpl'}
+{extends file='Tpl:empty.tpl'}
 {block name="content"}
 <div class="row">
   <div class="col-md-auto">
diff --git a/example/templates/show.tpl b/example/templates/show.tpl
index 4e58118..9b787d1 100644
--- a/example/templates/show.tpl
+++ b/example/templates/show.tpl
@@ -1,4 +1,4 @@
-{extends file='empty.tpl'}
+{extends file='Tpl:empty.tpl'}
 {block name="content"}
 <div class="container">
   <div class="form-group row">
diff --git a/example/vendor b/example/vendor
new file mode 120000
index 0000000..9c39cc9
--- /dev/null
+++ b/example/vendor
@@ -0,0 +1 @@
+../vendor
\ No newline at end of file
diff --git a/phpstan.neon b/phpstan.neon
index 84a4327..1fc57c9 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -2,7 +2,8 @@ parameters:
     level: 5
     paths:
         - src
-        - example
+        - example/includes
+        - example/public_html
     excludePaths:
         - example/includes/config.local.php
         - example/data/tmp/templates_c
diff --git a/src/App.php b/src/App.php
index fb54108..33a3a09 100644
--- a/src/App.php
+++ b/src/App.php
@@ -58,10 +58,12 @@ class App {
       Log::init();
     if (self :: get('session.enabled', true, 'bool'))
       Session::init();
-    if (self :: get('template.enabled', true, 'bool'))
+    if (self :: get('templates.enabled', true, 'bool'))
       Tpl :: init();
-    if (self :: get('url.enabled', true, 'bool'))
+    if (self :: get('url.enabled', true, 'bool')) {
       Url::init();
+      Url :: add_url_handler('#^$#', array('EesyPHP\\App', 'handle_homepage'));
+    }
     if (self :: get('mail.enabled', true, 'bool'))
       Email :: init();
     if (self :: get('i18n.enabled', true, 'bool'))
@@ -108,4 +110,16 @@ class App {
     return self :: $root_directory_path?self :: $root_directory_path:'.';
   }
 
+  /**
+   * Default homepage handler
+   * @param UrlRequest $request
+   * @return void
+   */
+  public static function handle_homepage($request) {
+    if (Tpl::initialized())
+      Tpl :: display("homepage.tpl", _("Hello world !"));
+    else
+      echo "<h1>"._("Hello world!")."</h1>";
+  }
+
 }
diff --git a/src/I18n.php b/src/I18n.php
index 822605e..9885ac8 100644
--- a/src/I18n.php
+++ b/src/I18n.php
@@ -266,11 +266,42 @@ class I18n {
     // Store list of generated POT files
     $pot_files = array();
 
+    // List EesyPHP PHP files to parse
+    $eesyphp_php_files = run_external_command(
+      array('find', '-name', "'*.php'"),
+      null,    // no STDIN data
+      false,   // do not escape command args (already done)
+      __DIR__  // Run from EesyPHP src directory
+    );
+    if (!is_array($eesyphp_php_files) || $eesyphp_php_files[0] != 0) {
+      Log :: fatal(_("Fail to list PHP files."));
+    }
+
+    // Extract messages from EesyPHP PHP files using xgettext
+    $result = run_external_command(
+      array(
+        "xgettext",
+        "--from-code utf-8",
+        "--language=PHP",
+        "-o", self :: $root_path."/eesyphp-messages.pot",  // Output
+        "--omit-header",                                   // No POT header
+        "--keyword=___",                                   // Handle custom ___() translation function
+        "--files=-"                                        // Read files to parse from STDIN
+      ),
+      $eesyphp_php_files[1],                               // Pass PHP files list via STDIN
+      true,                                                // Escape parameters
+      __DIR__                                              // Run from EesyPHP src directory
+    );
+    if (!is_array($result) || $result[0] != 0)
+      Log :: fatal(_("Fail to extract messages from PHP files using xgettext."));
+    $pot_files[] = self :: $root_path."/eesyphp-messages.pot";
+
     // List PHP files to parse
     $php_files = run_external_command(
-      array('find', escapeshellarg(App :: root_directory_path()), '-name', "'*.php'"),
-      null,   // no STDIN data
-      false   // do not escape command args (already done)
+      array('find', '-name', "'*.php'"),
+      null,    // no STDIN data
+      false,   // do not escape command args (already done)
+      App :: root_directory_path()  // Run from Application root directory
     );
     if (!is_array($php_files) || $php_files[0] != 0) {
       Log :: fatal(_("Fail to list PHP files."));
@@ -287,20 +318,27 @@ class I18n {
         "--keyword=___",                               // Handle custom ___() translation function
         "--files=-"                                    // Read files to parse from STDIN
       ),
-      $php_files[1]                                    // Pass PHP files list via STDIN
+      $php_files[1],                                    // Pass PHP files list via STDIN
+      true,                                            // Escape parameters
+      App :: root_directory_path()                     // Run from EesyPHP src directory
     );
     if (!is_array($result) || $result[0] != 0)
       Log :: fatal(_("Fail to extract messages from PHP files using xgettext."));
     $pot_files[] = self :: $root_path."/php-messages.pot";
 
     // List JS files to parse
-    $js_files = run_external_command(
-      array('find', escapeshellarg(App :: root_directory_path()."/public_html/js"), '-name', "'*.js'"),
-      null,   // no STDIN data
-      false   // do not escape command args (already done)
-    );
-    if (!is_array($js_files) || $js_files[0] != 0) {
-      Log :: fatal(_("Fail to list JS files."));
+    $js_files = array();
+    foreach(Tpl::static_directories() as $static_directory) {
+      $result = run_external_command(
+        array('find', escapeshellarg($static_directory), '-name', "'*.js'"),
+        null,   // no STDIN data
+        false   // do not escape command args (already done)
+      );
+      if (!is_array($result) || $result[0] != 0) {
+        Log :: fatal(_("Fail to list JS files in '%s' static directory."), $static_directory);
+        return;
+      }
+      $js_files[] = $result[1];
     }
 
     // Extract messages from JS files using xgettext
@@ -314,7 +352,7 @@ class I18n {
         "--keyword=___",                             // Handle custom ___() translation function
         "--files=-"                                  // Read files to parse from STDIN
       ),
-      $js_files[1]                                   // Pass JS files list via STDIN
+      implode("\n", $js_files)                       // Pass JS files list via STDIN
     );
     if (!is_array($result) || $result[0] != 0)
       Log :: fatal(_("Fail to extract messages from JS files using xgettext."));
@@ -323,10 +361,12 @@ class I18n {
     if (Tpl :: initialized()) {
       // Extract messages from templates files using tsmarty2c.php
       $result = run_external_command(
-        array (
-          App :: root_directory_path()."/vendor/bin/tsmarty2c.php",
-          "-o", self :: $root_path."/templates-messages.pot",
-          Tpl :: templates_directory(),
+        array_merge(
+          array(
+            App :: root_directory_path()."/vendor/bin/tsmarty2c.php",
+            "-o", self :: $root_path."/templates-messages.pot",
+          ),
+          Tpl :: templates_directories(),
         )
       );
       if (!is_array($result) || $result[0] != 0)
diff --git a/src/Tpl.php b/src/Tpl.php
index 2b8e9e7..a340eb3 100644
--- a/src/Tpl.php
+++ b/src/Tpl.php
@@ -22,10 +22,10 @@ class Tpl {
   public static $smarty_security_policy = null;
 
   /**
-   * Smarty templates directory path
-   * @var string
+   * Smarty templates directories path with their priority
+   * @var array<string,int>
    */
-  public static string $templates_dir;
+  public static array $templates_directories = array();
 
   /**
    * Smarty cache templates directory path
@@ -40,8 +40,8 @@ class Tpl {
   public static bool $_debug_ajax;
 
   /**
-   * Static directories
-   * @var array
+   * Static directories path with their priority
+   * @var array<string,array>
    */
   private static array $static_directories = array();
 
@@ -72,46 +72,82 @@ class Tpl {
   /**
    * Initialization
    * @param string $templates_dir Smarty templates directory path
-   *               (optional, default: from template.directory config key)
+   *               (optional, default: from templates.directory config key)
    * @param string $templates_c_dir Smarty cache templates directory path
-   *               (optional, default: from template.cache_directory config key)
+   *               (optional, default: from templates.cache_directory config key)
    * @param bool $debug_ajax Enable/disable AJAX returned data debugging in logs
-   *             (optional, default: from template.debug_ajax or debug_ajax config keys if set,
+   *             (optional, default: from templates.debug_ajax or debug_ajax config keys if set,
    *             false otherwise)
    * @param bool $static_root_url Configure custom root URL path for static files
-   *             (optional, default: from template.static_root_url config key if set,
+   *             (optional, default: from templates.static_root_url config key if set,
    *             '/static' otherwise. Set to False to disable)
    * @return void
    */
   public static function init($templates_dir=null, $templates_c_dir=null, $debug_ajax=null,
                               $static_root_url=null) {
-    // Check templates/templates_c directories
+    // Handle templates directories
+    $default_templates_directory = realpath(__DIR__."/../templates");
+    self :: register_templates_directory($default_templates_directory);
     if (is_null($templates_dir))
-      $templates_dir = App::get('template.directory', null, 'string');
-    if (is_null($templates_c_dir))
-      $templates_c_dir = App::get('template.cache_directory', null, 'string');
-    if (!$templates_dir || !is_dir($templates_dir)) {
-      Log :: fatal(
-        "Template directory not found (%s)",
-        $templates_dir?$templates_dir:'not set');
-      return;
+      $templates_dir = App::get('templates.directory', null, 'string');
+    if ($templates_dir) {
+      if (!is_dir($templates_dir))
+        Log :: fatal("Template directory not found (%s)", $templates_dir);
+      self :: register_templates_directory($templates_dir);
     }
-    if (!$templates_c_dir || !is_dir($templates_c_dir) || !is_writable($templates_c_dir)) {
-      Log :: fatal(
-        "Template cache directory not found or not writable (%s)",
-        $templates_c_dir?$templates_c_dir:'not set');
-      return;
+
+    // Handle and check templates_c directories
+    if (is_null($templates_c_dir))
+      $templates_c_dir = App::get('templates.cache_directory', null, 'string');
+    if ($templates_c_dir) {
+      if (!is_dir($templates_c_dir) || !is_writable($templates_c_dir)) {
+        Log :: fatal(
+          "Template cache directory not found or not writable (%s)",
+          $templates_c_dir);
+        return;
+      }
+    }
+    else {
+      $public_root_url = Url :: public_root_url();
+      if ($public_root_url != '/') {
+        $unique_name = preg_replace('#^https?://#', '', $public_root_url);
+      }
+      else {
+        $root_directory_path = App::root_directory_path();
+        if ($root_directory_path == '.') {
+          Log :: fatal(
+            'Fail to compute a unique templates cache directory for this application. An public '.
+            'root URL or an application root directory must be set if you do not provide it at '.
+            'initialization (or via config parameter).');
+          return;
+        }
+        $unique_name = $root_directory_path;
+        if (substr($unique_name, 0, 1) == '/')
+          $unique_name = substr($unique_name, 1);
+        if (substr($unique_name, -1) == '/')
+          $unique_name = substr($unique_name, 0, -1);
+      }
+      $templates_c_dir = sys_get_temp_dir().str_replace(
+        '/', '_', "eesyphp_templates_cache_$unique_name"
+      );
+      if (!is_dir($templates_c_dir) && !mkdir($templates_c_dir)) {
+        Log :: fatal(
+          'Fail to create application templates cache directory (%s)',
+          $templates_c_dir);
+        return;
+      }
     }
     self :: $smarty = new Smarty();
-    self :: $smarty->setTemplateDir($templates_dir);
+    self :: $smarty->setTemplateDir($default_templates_directory);
     self :: $smarty->setCompileDir($templates_c_dir);
+    self :: $smarty->registerResource('Tpl', new TplSmartyResource());
     if (is_null($debug_ajax))
-      $debug_ajax = App::get('template.debug_ajax', App::get('debug_ajax'));
+      $debug_ajax = App::get('templates.debug_ajax', App::get('debug_ajax'));
     self :: $_debug_ajax = boolval($debug_ajax);
     Log :: register_fatal_error_handler(array('\\EesyPHP\\Tpl', 'fatal_error'));
 
     if (is_null($static_root_url))
-      $static_root_url = App::get('template.static_root_url', 'static/', 'string');
+      $static_root_url = App::get('templates.static_root_url', 'static/', 'string');
     if ($static_root_url) {
       if (substr($static_root_url, 0, 1) == '/')
         $static_root_url = substr($static_root_url, 1);
@@ -269,7 +305,14 @@ class Tpl {
    */
   protected static function define_common_variables($pagetitle=null) {
     global $auth_user;
+    self :: assign('public_root_url', Url :: public_root_url());
     self :: assign('pagetitle', $pagetitle);
+    self :: assign('main_pagetitle', App::get('main_pagetitle', null, 'string'));
+    self :: assign('session_key', isset($_SESSION['session_key'])?$_SESSION['session_key']:null);
+
+    // Handle CSS & JS files included
+    self :: add_css_file(App::get('templates.included_css_files', array(), 'array'));
+    self :: add_js_file(App::get('templates.included_js_files', array(), 'array'));
 
     // Messages
     self :: assign('errors', (isset($_SESSION['errors'])?$_SESSION['errors']:array()));
@@ -319,7 +362,7 @@ class Tpl {
     try {
       Hook :: trigger('before_displaying_template');
       self :: define_common_variables($pagetitle);
-      self :: $smarty->display($template);
+      self :: $smarty->display("Tpl:$template");
     }
     catch (Exception $e) {
       Log :: exception($e, "Smarty - An exception occured displaying template '$template'");
@@ -413,11 +456,93 @@ class Tpl {
   }
 
   /**
-   * Get the templates directory path
-   * @return string|null
+   * Get the templates directories path
+   * @return array<string>
    */
-  public static function templates_directory() {
-    return isset(self :: $templates_directory)?self :: $templates_directory:null;
+  public static function templates_directories() {
+    return array_keys(self :: $templates_directories);
+  }
+
+  /**
+   * Register a templates directory
+   * @param string $path The templates directory path
+   * @param int|null $priority The priority of this templates directory
+   *                 (optional, default: prior than all other registered directories)
+   * @return void
+   */
+  public static function register_templates_directory($path, $priority=null) {
+    if (!is_dir($path)) {
+      Log :: fatal(
+        'register_templates_directory(%s): this templates directory does not exists',
+        $path);
+      return;
+    }
+    if (substr($path, -1) == '/')
+      $path = substr($path, 0, -1);
+    if (is_null($priority)) {
+      $priority = (
+        !empty(self :: $templates_directories)?
+        max(self :: $templates_directories) + 1:
+        100
+      );
+    }
+    Log :: trace(
+      'Register templates directory "%s" with priority %d',
+      $path, $priority);
+    self :: $templates_directories[$path] = $priority;
+    arsort(self :: $templates_directories);
+  }
+
+  /**
+   * Resolve templates path against registered templates directories
+   * @param string $path
+   * @return string|false
+   */
+  public static function resolve_templates_path($path) {
+    foreach(array_keys(self :: $templates_directories) as $dir) {
+      $fullpath = "$dir/$path";
+      if (file_exists($fullpath)) {
+        Log::trace('Templates file "%s" resolved as "%s"', $path, $fullpath);
+        return $fullpath;
+      }
+    }
+    Log::trace('Templates file "%s" not found', $path);
+    return false;
+  }
+
+ /**
+  * Return the content of a Smarty template file.
+  *
+  * @param string $template The template name (eg: base.tpl)
+  *
+  * @return string The content of the Smarty template file
+  **/
+  public static function get_template_source($template) {
+    $path = self :: resolve_templates_path($template);
+    if (!is_readable($path)) {
+      // No error return with Smarty3 and highter because it's call
+      // template name in lower first systematically
+      return '';
+    }
+    return file_get_contents($path);
+  }
+
+ /**
+  * Return the timestamp of the last change of a Smarty
+  * template file.
+  *
+  * @param string $template The template name (eg: empty.tpl)
+  *
+  * @return int|null The timestamp of the last change of the Smarty template file
+  **/
+  public static function get_template_timestamp($template) {
+    $path = self :: resolve_templates_path($template);
+    if (is_file($path)) {
+      $time = filemtime($path);
+      if ($time)
+        return $time;
+    }
+    return null;
   }
 
   /**
@@ -433,6 +558,19 @@ class Tpl {
     return $value;
   }
 
+  /**
+   * Get the static directories path
+   * @return array<string>
+   */
+  public static function static_directories() {
+    $result = array();
+    foreach(self :: $static_directories as $root_url => $dirs)
+      foreach(array_keys($dirs) as $dir)
+        if (!in_array($dir, $result))
+          $result[] = $dir;
+    return $result;
+  }
+
   /**
    * Register a static directory
    * @param string $path The static directory path
@@ -477,7 +615,7 @@ class Tpl {
         $path, $root_url, $priority);
     }
 
-    if (substr($path, -1) == PATH_SEPARATOR)
+    if (substr($path, -1) == '/')
       $path = substr($path, 0, -1);
     self :: $static_directories[$root_url][$path] = $priority;
     arsort(self :: $static_directories[$root_url]);
diff --git a/src/TplSmartyResource.php b/src/TplSmartyResource.php
new file mode 100644
index 0000000..808e366
--- /dev/null
+++ b/src/TplSmartyResource.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace EesyPHP;
+use Smarty_Resource_Custom;
+
+
+/**
+ * Smarty ressource for EesyPHP templates
+ *
+ * @author Benjamin Renard <brenard@zionetrix.net>
+ */
+class TplSmartyResource extends Smarty_Resource_Custom {
+
+  // prepared fetch() statement
+  protected $fetch;
+  // prepared fetchTimestamp() statement
+  protected $mtime;
+
+  /**
+   * Fetch a template and its modification time
+   *
+   * @param string $name template name
+   * @param string $source template source
+   * @param integer $mtime template modification timestamp (epoch)
+   * @return void
+   */
+  protected function fetch($name, &$source, &$mtime) {
+    $source = Tpl :: get_template_source($name);
+    $mtime = Tpl :: get_template_timestamp($name);
+  }
+
+  /**
+   * Fetch a template's modification time
+   *
+   * Note: implementing this method is optional. Only implement it if modification times can be
+   * accessed faster than loading the comple template source.
+   *
+   * @param string $name template name
+   * @return integer timestamp (epoch) the template was modified
+   */
+  protected function fetchTimestamp($name) {
+    return Tpl :: get_template_timestamp($name);
+  }
+}
diff --git a/src/Url.php b/src/Url.php
index 8b77992..5758ebc 100644
--- a/src/Url.php
+++ b/src/Url.php
@@ -515,6 +515,14 @@ class Url {
     if (is_bool($value)) self :: $_api_mode = $value;
     return self :: $_api_mode;
   }
+
+  /**
+   * Get public root URL
+   * @return string
+   */
+  public static function public_root_url() {
+    return (self :: $public_root_url?self :: $public_root_url:'/');
+  }
 }
 
 # vim: tabstop=2 shiftwidth=2 softtabstop=2 expandtab
diff --git a/src/functions.php b/src/functions.php
index 5677c5d..d1deffd 100644
--- a/src/functions.php
+++ b/src/functions.php
@@ -202,11 +202,14 @@ function delete_directory($dir, $recursive=true) {
  * @param $data_stdin string|null      The command arguments (optional, default: null)
  * @param $escape_command_args boolean If true, the command will be escaped
  *                                     (optional, default: true)
+ * @param string|null $cwd             The initial working dir for the command
+ *                                     (optional, default: null = use current PHP process working
+ *                                     directory)
  *
  * @return false|array An array of return code, stdout and stderr result or False in case of fatal
  *                     error
  **/
-function run_external_command($command, $data_stdin=null, $escape_command_args=true) {
+function run_external_command($command, $data_stdin=null, $escape_command_args=true, $cwd=null) {
   if (is_array($command))
     $command = implode(' ', $command);
   if ($escape_command_args)
@@ -217,7 +220,7 @@ function run_external_command($command, $data_stdin=null, $escape_command_args=t
     1 => array("pipe", "w"),  // stdout
     2 => array("pipe", "w"),  // stderr
   );
-  $process = proc_open($command, $descriptorspec, $pipes);
+  $process = proc_open($command, $descriptorspec, $pipes, $cwd);
 
   if (!is_resource($process)) {
     Log :: error("Fail to run external command: '$command'");
diff --git a/example/templates/empty.tpl b/templates/empty.tpl
similarity index 97%
rename from example/templates/empty.tpl
rename to templates/empty.tpl
index 51d77c4..f87184f 100644
--- a/example/templates/empty.tpl
+++ b/templates/empty.tpl
@@ -71,8 +71,8 @@
   <main role="main">
     <div class="container-fluid" id="content_container">
       {block name="pagetitle"}{if $pagetitle}<h1>{$pagetitle}</h1>{/if}{/block}
-      {include file='errors.tpl'}
-      {include file='messages.tpl'}
+      {include file='Tpl:errors.tpl'}
+      {include file='Tpl:messages.tpl'}
       {block name="content"}{/block}
     </div>
   </main>
diff --git a/example/templates/error_page.tpl b/templates/error_page.tpl
similarity index 67%
rename from example/templates/error_page.tpl
rename to templates/error_page.tpl
index aa0bafe..ba32bd4 100644
--- a/example/templates/error_page.tpl
+++ b/templates/error_page.tpl
@@ -1,4 +1,4 @@
-{extends file='empty.tpl'}
+{extends file='Tpl:empty.tpl'}
 {block name="content"}
 <p class="center">{$message}</p>
 {/block}
diff --git a/example/templates/errors.tpl b/templates/errors.tpl
similarity index 100%
rename from example/templates/errors.tpl
rename to templates/errors.tpl
diff --git a/example/templates/fatal_error.tpl b/templates/fatal_error.tpl
similarity index 93%
rename from example/templates/fatal_error.tpl
rename to templates/fatal_error.tpl
index cd4145c..f802580 100644
--- a/example/templates/fatal_error.tpl
+++ b/templates/fatal_error.tpl
@@ -1,4 +1,4 @@
-{extends file='empty.tpl'}
+{extends file='Tpl:empty.tpl'}
 {block name="content"}
 <h1 class="center">Oops ...</h1>
 
diff --git a/templates/homepage.tpl b/templates/homepage.tpl
new file mode 100644
index 0000000..4065351
--- /dev/null
+++ b/templates/homepage.tpl
@@ -0,0 +1,8 @@
+{extends file='Tpl:empty.tpl'}
+{block name="pagetitle"}{/block}
+{block name="content"}
+<div class="jumbotron">
+  <h1 class="display-4">{t}Hello, world!{/t}</h1>
+  <p class="lead">{t escape=off}This is the default page of a new app using EesyPHP framework. Register your own templates directory and create a <em>homepage.tpl</em> file to overwrite it. You could also overwrite the URL handler for the root of the web application.{/t}</p>
+</div>
+{/block}
diff --git a/example/templates/messages.tpl b/templates/messages.tpl
similarity index 100%
rename from example/templates/messages.tpl
rename to templates/messages.tpl