Add PATCH http method for api request

index.js

@@ -765,6 +765,16 @@ Connection.prototype.putUrl = function(data, callback) {
   return this._apiRequest(opts, opts.callback);
 };
 
+Connection.prototype.patchUrl = function(data, callback) {
+  var opts = this._getOpts(data, callback, {
+    singleProp: 'url'
+  });
+  opts.uri = opts.oauth.instance_url + requireForwardSlash(opts.url);
+  opts.method = 'PATCH';
+  if (opts.body) opts.body = JSON.stringify(opts.body);
+  return this._apiRequest(opts, opts.callback);
+};
+
 Connection.prototype.postUrl = function (data, callback) {
   var opts = this._getOpts(data, callback, {
     singleProp: 'url'