Merge pull request #35 from pacovell/master

Small fix to prevent _end() from crashing

lib/soda/client.js

@@ -190,7 +190,7 @@ Client.prototype.__defineGetter__('chain', function(){
  */
 
 Client.prototype.end = function(fn){
-  this._done = function(){this.queue = null; return fn.apply(this, arguments)};
+  this._done = function(){this.queue = []; return fn.apply(this, arguments)};
   this.queue.shift()();
 };