PowerToolS v1.2

Full Changelog: 1.1...1.2

[/] implemented spigot NMS on project
[+] improved WDL check for +1.12
[+] improved MC Client check for +1.12
[=] fixed AntiWDL bug
[=] fixed channel unregistering errors
[/] improved UpdateChecker
[+] added interaction blocker for freeze
[+] added tab-completer for command
[+] added RenderAddOns ( Scordboard & TabList on 1.8 only )
[/] improved PvpRegisterer ( Now with god listeners that fully register everything! )
[+] added SlashServer addon
[=] plugin bugfix