Add permission pvpmanager.menu for /pm command
Add new command: /pvp list (shows all players with pvp enabled)
Add new feature allowing to define what is the default PvP state
Add feature that disables disguises on combat(Only DisguiseCraft and LibsDisguises)
Add Kill Abuse Feature, detects a player killing the same player several times to get ranks/rewards
Fix bug that sent a message when clicking any sign
Tag time now counts from last hit instead of first hit
Add some aliases to /pvp and /pm commands
Fix small bugs on new features
Fix to not counting kills properly
Fix bug when plugin DisguiseCraft isn't loaded