Update version support

Fixes #16

README.md

@@ -1,12 +1,12 @@
-# Versions for Kirby 3
+# Versions for Kirby
 
 [![Kirby 3.7.0+](https://img.shields.io/badge/Kirby-3.7.0%2B-green)](https://getkirby.com)
 [![MIT license](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE.md)
 [![Release](https://img.shields.io/github/v/release/lukasbestle/kirby-versions)](https://github.com/lukasbestle/kirby-versions/releases/latest)
 [![CI Status](https://img.shields.io/github/actions/workflow/status/lukasbestle/kirby-versions/ci.yml?branch=main&label=CI)](https://github.com/lukasbestle/kirby-versions/actions?query=workflow%3ACI+branch%3Amain)
 [![Coverage Status](https://img.shields.io/codecov/c/gh/lukasbestle/kirby-versions?token=IBYEIB22SM)](https://codecov.io/gh/lukasbestle/kirby-versions)
 
-> Keep track of content changes and switch between different versions from the Kirby 3 Panel
+> Keep track of content changes and switch between different versions from the Kirby Panel
 
 ![Screenshot of the Versions view in the Kirby Panel](screenshot.png)
 
@@ -38,8 +38,8 @@ This plugin is made for you if you have one or multiple of the use cases describ
 
 ## Requirements
 
-- Kirby 3.7.0+
-- PHP 8.0+
+- Kirby 4.0.0+ (version 1.1.0 supports Kirby 3.7.0+)
+- PHP 8.1+
 - Git 2.5+ (ideally newer for better reliability)
 
 Support for older Kirby versions is provided by previous versions of this plugin. I recommend to update your Kirby installation to benefit from fixes and improvements both in Kirby and in this plugin.

composer.json

@@ -1,6 +1,6 @@
 {
 	"name": "lukasbestle/kirby-versions",
-	"description": "Versions Plugin for Kirby 3",
+	"description": "Versions Plugin for Kirby",
 	"license": "MIT",
 	"type": "kirby-plugin",
 	"version": "1.1.0",
@@ -11,8 +11,8 @@
 		}
 	],
 	"require": {
-		"php": ">=8.0.0 <8.4.0",
-		"getkirby/cms": "^3.7",
+		"php": ">=8.1.0 <8.4.0",
+		"getkirby/cms": "^4.0",
 		"getkirby/composer-installer": "^1.1"
 	},
 	"minimum-stability": "RC",

index.php

@@ -7,7 +7,7 @@
 /**
  * Kirby Versions Plugin
  * Keep track of content changes and switch between
- * different versions from the Kirby 3 Panel
+ * different versions from the Kirby Panel
  *
  * @package   Kirby Versions Plugin
  * @author    Lukas Bestle <[email protected]>
@@ -22,8 +22,8 @@
 if (
 	$kirbyVersion !== null &&
 	(
-		version_compare($kirbyVersion, '3.7.0-rc.1', '<') === true ||
-		version_compare($kirbyVersion, '4.0.0-alpha', '>=') === true
+		version_compare($kirbyVersion, '4.0.0-rc.1', '<') === true ||
+		version_compare($kirbyVersion, '5.0.0-alpha', '>=') === true
 	)
 ) {
 	throw new Exception(