[Fix] Don't add ? when clearing query params

Strolch.js

@@ -4,7 +4,7 @@
 Strolch = {
 
     props: {
-        strolch_js: '0.2.4',
+        strolch_js: '0.2.5',
         version: null,
         revision: null,
         userConfig: null,
@@ -231,6 +231,9 @@ Strolch = {
             hash += paramName + '=' + paramValue;
         }
 
+        if (hash.charAt(hash.length - 1) == "?")
+            hash = hash.substr(0, hash.length - 1);
+
         document.location.hash = hash
     },
 

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "strolchjs",
-  "version": "0.2.4",
+  "version": "0.2.5",
   "main": "strolch.js",
   "ignore": [
     "**/.*",