Support of Spigot 1.16 !

New /negativity verif ! Now, there is a REAL verification of player !
Do /neg verif <player> [duration time (default 10s)] [cheat...]
Just: not all cheat are verified yet, but we are working on it !

The commands have been renamed (and they are all removable):
- negativity (alias: neg, n)
- nban (alias: ban)
- nunban (alias: unban)
- nmod (alias: mod)
- nlang (alias: lang)
- nreport (alias: report)

The alias will be used only if they is not another plugin that use the command.

New:

• New translation: Czech Republic (cs_CZ) ! (Thanks to Disordeon#1824)
• Anti Server Crash
• You can disable alert in specific world/WorldGuard region !
• Implement FakePlayer for sponge !

Updated :

• Translation system have been edited (new files, more messages...)
• Lot of optimization !
• Don't use old item (on 1.13+ servers)
• Fly check
• 2 new forcefield checks
• Jesus check

Fix :

• TPS checking (was rounded to lower)
• "No connection" problem with ProtocolLib
• Citizen NPC created data file
• Possible error while moving between world with opened inventory
• Some startup log warn message
• Teleport could create problem
• Some connection problem

Falses flags fixed :

• Fly with slime block
• Jesus when fight in water
• NoFall when jumping and placing block
• Forcefield while hitting boat