Remove version from source code and README

README.md

@@ -3,7 +3,7 @@ Go Persian Calendar
 
 [![godoc](https://img.shields.io/badge/godoc-reference-blue.svg)](https://godoc.org/github.com/yaa110/go-persian-calendar) [![Build Status](https://travis-ci.org/yaa110/go-persian-calendar.svg)](https://travis-ci.org/yaa110/go-persian-calendar) [![goreportcard](https://img.shields.io/badge/go%20report-A%2B-brightgreen.svg)](http://goreportcard.com/report/yaa110/go-persian-calendar) [![License](http://img.shields.io/:license-mit-blue.svg)](https://github.com/yaa110/go-persian-calendar/blob/master/LICENSE)
 
-**Go Persian Calendar v0.4.0** provides functionality for conversion among Persian (Solar Hijri) and Gregorian calendars. A Julian calendar is used as an interface for all conversions. The package name is `ptime` and it is compatible with the package [time](https://golang.org/pkg/time). All months are available with both Iranian and Dari Persian names. This source code is licensed under MIT license that can be found in the LICENSE file.
+**Go Persian Calendar** provides functionality for conversion among Persian (Solar Hijri) and Gregorian calendars. A Julian calendar is used as an interface for all conversions. The package name is `ptime` and it is compatible with the package [time](https://golang.org/pkg/time). All months are available with both Iranian and Dari Persian names. This source code is licensed under MIT license that can be found in the LICENSE file.
 
 ## Installation
 
@@ -21,6 +21,10 @@ import ptime github.com/yaa110/go-persian-calendar
 
 ## Changelog
 
+**v0.4.1**
+
+- Refactor code
+
 **v0.4.0**
 
 - Change module import name

ptime.go

@@ -1,6 +1,6 @@
 // In the name of Allah
 
-// Persian Calendar v0.4.0
+// Persian Calendar
 // Please visit https://github.com/yaa110/go-persian-calendar for more information.
 //
 // Copyright (c) 2016 Navid Fathollahzade