Merge pull request #6 from jake314159/master

Option to specify own cleanItem function

Author: dhendo

lib/helpers.js

@@ -56,7 +56,9 @@ var self = {
         _extendedOps = operators;
     },
     cleanItem: function (value, op) {
-        if(!isNaN(value) && value !== true && value !== false && op !== 'streq' && op !== 'strin' && op !== 'strnin') {
+        if(_extendedOps && _extendedOps[op] && _extendedOps[op].cleanItem && typeof _extendedOps[op].cleanItem === "function") {
+            value = _extendedOps[op].cleanItem(value, op);
+        } else if(!isNaN(value) && value !== true && value !== false && op !== 'streq' && op !== 'strin' && op !== 'strnin') {
             value = value * 1;
         }
         return value;