Update to handle multiple query parameters

Updating the parser to handle multiple query parameters with the same name.  There is currently no RFC spec for situations like this, but most server side implementations handle this situation where you have id=1&id=2&id=3 in the query string.

Author: mdkitzman

angular-url-parser.js

@@ -21,7 +21,21 @@ angular
 
       for( i = 0; i < queries.length; i++ ) {
         split = queries[i].split('=');
-        searchObject[split[0]] = split[1];
+        // handle query strings such as id=1&id=2&id=3
+        if(searchObject.hasOwnProperty(split[0])) {
+          var currentVal = searchObject[split[0]];
+          var valueList;
+          if(!angular.isArray(currentVal)){
+            valueList = [];
+            valueList.push(currentVal);
+          } else {
+            valueList = currentVal;
+          }
+          valueList.push(split[1]);
+          searchObject[split[0]] = valueList;
+        } else {
+          searchObject[split[0]] = split[1];
+        }
       }
 
       return {