Merge pull request #53 from maria-simon/master

Fix for issue #47

Author: gnongsie

lib/apicontrollersbase.js

@@ -83,10 +83,6 @@ class APIOperationBase {
 		var reqOpts = {
 			url: this._endpoint,
 			method: 'POST',
-			headers: {
-				'Content-Type': 'application/json',
-				'Content-Length': this._request.length
-			},
 			json: true,
 			timeout: config.timeout,
 			body: this._request