add cache busting

lib/api/client.js

@@ -111,7 +111,7 @@ Client.prototype.makeRequest = function(obj) {
 
 	// Add on the api key
 	obj.api_key = this.options.get('apiKey'); //convert for url
-
+	obj.cache_bust = Math.random()
 	//serialize the properties
 	var serialized = serializeProperties(obj);
 	var compiledParams = serialized.serialized;