Removed permissions from TunnelsXP Command
Added serializable potion effect equivelant
Updated entities class with methods to pull, push, heal, and remove entities
Fixed issue in items class with null-pointer-exception when calling hasMetaData

Renamed PlayerWrapper to MinecraftPlayer
Updated minigames arena API with more methods for handling cycling, less errors, and more.

Renamed TickCooldown to PlayerTicker
Created Ticker interface
Created BasicTicker class for invocation-call-amount tracking
2 new utility classes: HashUtils and ListUtils
More messages addedd to Messages