Do not limit language codes to 2 letters.

Fixes: #50.

Author: Olivier Tilloy

dist/jquery.localize.js

@@ -41,16 +41,11 @@ http://keith-wood.name/localisation.html
           }
           break;
         case 2:
-          if (lang.length >= 2) {
-            file = "" + pkg + "-" + (lang.substring(0, 2)) + "." + fileExtension;
-            return jsonCall(file, pkg, lang, level);
-          }
-          break;
+          file = "" + pkg + "-" + (lang.split('-')[0]) + "." + fileExtension;
+          return jsonCall(file, pkg, lang, level);
         case 3:
-          if (lang.length >= 5) {
-            file = "" + pkg + "-" + (lang.substring(0, 5)) + "." + fileExtension;
-            return jsonCall(file, pkg, lang, level);
-          }
+          file = "" + pkg + "-" + (lang.split('-').slice(0, 2).join('-')) + "." + fileExtension;
+          return jsonCall(file, pkg, lang, level);
       }
     };
     jsonCall = function(file, pkg, lang, level) {

src/jquery.localize.coffee

@@ -34,13 +34,11 @@ do ($ = jQuery) ->
           else
             loadLanguage(pkg, lang, 2)
         when 2
-          if lang.length >= 2
-            file = "#{pkg}-#{lang.substring(0, 2)}.#{fileExtension}"
-            jsonCall(file, pkg, lang, level)
+          file = "#{pkg}-#{lang.split('-')[0]}.#{fileExtension}"
+          jsonCall(file, pkg, lang, level)
         when 3
-          if lang.length >= 5
-            file = "#{pkg}-#{lang.substring(0, 5)}.#{fileExtension}"
-            jsonCall(file, pkg, lang, level)
+          file = "#{pkg}-#{lang.split('-').slice(0,2).join('-')}.#{fileExtension}"
+          jsonCall(file, pkg, lang, level)
 
     jsonCall = (file, pkg, lang, level) ->
       file = "#{options.pathPrefix}/#{file}" if options.pathPrefix?