Updated client version

Author: Nick-S-2018

package.json

@@ -1,6 +1,6 @@
 {
   "name": "manticoresearch-dev",
-  "version": "4.2.0",
+  "version": "4.2.1",
   "description": "Javascript client for Manticore Search",
   "license": "MIT",
   "main": "src/index.js",

src/api/SearchApi.js

@@ -47,7 +47,7 @@
      * @param {module:model/PercolateRequest} percolateRequest 
      * @return {Promise} a {@link https://www.promisejs.org/|Promise}, with an object containing data of type {@link module:model/SearchResponse} and HTTP response
      */
-    this.percolateWithHtstringtpInfo = function(index, percolateRequest) {
+    this.percolateWithHttpInfo = function(index, percolateRequest) {
       var postBody = JSON.parse(JSON.stringify(percolateRequest));