Changelog v4.0.0

• pausing in tasks from now works good
• some method names was changed, like startTask() into start()
• added BetterTask interface for all tasks. BetterRunnableGroups from now works using List
• if you want make task in seperate classes, now u make Consumer instead of Consumer. Because of that you can easly change runnable type for class.

WARNING: Updating to new version will need code updates!