all: Increase major version to v4

README.md

@@ -1,6 +1,6 @@
 <h1 align="center">kepubify</h1>
 
-[![](https://img.shields.io/github/v/release/pgaskin/kepubify)](https://github.com/pgaskin/kepubify/releases/latest) [![](https://img.shields.io/drone/build/pgaskin/kepubify/master)](https://cloud.drone.io/pgaskin/kepubify) [![](https://img.shields.io/drone/build/pgaskin/kepubify/master?label=linux%20build)](https://cloud.drone.io/pgaskin/kepubify) [![](https://img.shields.io/appveyor/ci/pgaskin/kepubify/master?label=windows%20build)](https://ci.appveyor.com/project/pgaskin/kepubify/branch/master) [![](https://img.shields.io/travis/com/pgaskin/kepubify/master?label=macOS%20build)](https://travis-ci.com/pgaskin/kepubify) ![](https://img.shields.io/github/go-mod/go-version/pgaskin/kepubify) [![](https://img.shields.io/badge/godoc-reference-blue.svg)](https://pkg.go.dev/mod/github.com/pgaskin/kepubify/v3?tab=versions) [![](https://goreportcard.com/badge/github.com/pgaskin/kepubify)](https://goreportcard.com/report/github.com/pgaskin/kepubify)
+[![](https://img.shields.io/github/v/release/pgaskin/kepubify)](https://github.com/pgaskin/kepubify/releases/latest) [![](https://img.shields.io/drone/build/pgaskin/kepubify/master)](https://cloud.drone.io/pgaskin/kepubify) [![](https://img.shields.io/drone/build/pgaskin/kepubify/master?label=linux%20build)](https://cloud.drone.io/pgaskin/kepubify) [![](https://img.shields.io/appveyor/ci/pgaskin/kepubify/master?label=windows%20build)](https://ci.appveyor.com/project/pgaskin/kepubify/branch/master) [![](https://img.shields.io/travis/com/pgaskin/kepubify/master?label=macOS%20build)](https://travis-ci.com/pgaskin/kepubify) ![](https://img.shields.io/github/go-mod/go-version/pgaskin/kepubify) [![](https://img.shields.io/badge/godoc-reference-blue.svg)](https://pkg.go.dev/mod/github.com/pgaskin/kepubify/v4?tab=versions) [![](https://goreportcard.com/badge/github.com/pgaskin/kepubify)](https://goreportcard.com/report/github.com/pgaskin/kepubify)
 
 Kepubify converts EPUBs to KEPUBS. Kepubify also includes two standalone utilities
 which do not depend on kepubify (and don't conflict with Calibre): [covergen](./cmd/covergen)

cmd/kepubify/kepubify.go

@@ -13,7 +13,7 @@ import (
 	"sync/atomic"
 	"time"
 
-	"github.com/pgaskin/kepubify/v3/kepub"
+	"github.com/pgaskin/kepubify/v4/kepub"
 	"github.com/spf13/pflag"
 )
 

go.mod

@@ -1,4 +1,4 @@
-module github.com/pgaskin/kepubify/v3
+module github.com/pgaskin/kepubify/v4
 
 go 1.14
 

kepub/kobotest/main.go

@@ -16,7 +16,7 @@ import (
 	"golang.org/x/net/html"
 	"golang.org/x/net/html/atom"
 
-	"github.com/pgaskin/kepubify/v3/kepub"
+	"github.com/pgaskin/kepubify/v4/kepub"
 	"github.com/sergi/go-diff/diffmatchpatch"
 )