KtScheduler v1.1.2

What's Changed

• Removed function parameter from job and added callback parameter in the end so it can be used like this:

val job = Job(...) { println("Meow >~<") }

• Increased tests coverage to 100%
• Added javadoc/kdoc in publishing artifacts, full javadoc is now available at jitpack.
• Updated installation guide & some other documentation improvements.