Fix global leak from missing 'var'.

lib/Parser.js

@@ -95,7 +95,7 @@ Parser.prototype._newToken = function _newToken(token, type) {
 
         // define the function allowing the handler to add other handlers
         // after itself (no support for arrays)
-        queue = this._queue;
+        var queue = this._queue;
         function next() {
             queue.unshift.apply(queue, arguments);
         }