[fixed] Empty query string now routes correctly

Author: benjie

modules/PathUtils.js

@@ -5,7 +5,7 @@ var qs = require('qs');
 var paramCompileMatcher = /:([a-zA-Z_$][a-zA-Z0-9_$]*)|[*.()\[\]\\+|{}^$]/g;
 var paramInjectMatcher = /:([a-zA-Z_$][a-zA-Z0-9_$?]*[?]?)|[*]/g;
 var paramInjectTrailingSlashMatcher = /\/\/\?|\/\?\/|\/\?/g;
-var queryMatcher = /\?(.+)/;
+var queryMatcher = /\?(.*)$/;
 
 var _compiledPatterns = {};