v0.2.4

Add process utilities and fixes

• Add getCurrentProcessScriptPath, setCurrentProcessScriptPath, processExists to Cronark.php
• Fix exists and getScriptPath methods in Process.php

v0.2.3

Fix exists and kill methods

v0.2.2

refactor(Process): improve cross-platform compatibility and use exec instead of shell_exec

v0.2.1

Handle null jobIndex before resolving job class

v0.2.0

Remove Job interface and use __invoke

v0.1.1

remove ext-posix from require