version bump to release version v1.6 [ci skip]

README.md

@@ -4,12 +4,12 @@
 <p align="center"><a href="#features">Features</a> section describes in detail about Resty capabilities</p>
 </p>
 <p align="center">
-<p align="center"><a href="https://travis-ci.org/go-resty/resty"><img src="https://travis-ci.org/go-resty/resty.svg?branch=master" alt="Build Status"></a> <a href="https://codecov.io/gh/go-resty/resty/branch/master"><img src="https://codecov.io/gh/go-resty/resty/branch/master/graph/badge.svg" alt="Code Coverage"></a> <a href="https://goreportcard.com/report/go-resty/resty"><img src="https://goreportcard.com/badge/go-resty/resty" alt="Go Report Card"></a> <a href="https://github.com/go-resty/resty/releases/latest"><img src="https://img.shields.io/badge/version-1.5-blue.svg" alt="Release Version"></a> <a href="https://godoc.org/github.com/go-resty/resty"><img src="https://godoc.org/github.com/go-resty/resty?status.svg" alt="GoDoc"></a> <a href="LICENSE"><img src="https://img.shields.io/github/license/go-resty/resty.svg" alt="License"></a></p>
+<p align="center"><a href="https://travis-ci.org/go-resty/resty"><img src="https://travis-ci.org/go-resty/resty.svg?branch=master" alt="Build Status"></a> <a href="https://codecov.io/gh/go-resty/resty/branch/master"><img src="https://codecov.io/gh/go-resty/resty/branch/master/graph/badge.svg" alt="Code Coverage"></a> <a href="https://goreportcard.com/report/go-resty/resty"><img src="https://goreportcard.com/badge/go-resty/resty" alt="Go Report Card"></a> <a href="https://github.com/go-resty/resty/releases/latest"><img src="https://img.shields.io/badge/version-1.6-blue.svg" alt="Release Version"></a> <a href="https://godoc.org/github.com/go-resty/resty"><img src="https://godoc.org/github.com/go-resty/resty?status.svg" alt="GoDoc"></a> <a href="LICENSE"><img src="https://img.shields.io/github/license/go-resty/resty.svg" alt="License"></a></p>
 </p>
 
 ## News
 
-  * v1.5 [released](https://github.com/go-resty/resty/releases/latest) and tagged on May 06, 2018.
+  * v1.6 [released](https://github.com/go-resty/resty/releases/latest) and tagged on May 28, 2018.
   * v1.0 released - Resty's first version was released on Sep 15, 2015 then it grew gradually as a very handy and helpful library. Its been a two years; `v1.0` was released on Sep 25, 2017. I'm very thankful to Resty users and its [contributors](https://github.com/go-resty/resty/graphs/contributors).
 
 ## Features

resty.go

@@ -6,4 +6,4 @@
 package resty
 
 // Version # of resty
-const Version = "1.6-edge"
+const Version = "1.6"