PLEASE RESET YOUR CONFIG.YML OF NICKAPI IF YOU WANT TO INSTALL THIS UPDATE!
+ updated to 1.18
+ NickAPI uses Google guava cache now. It expires after a specific time now. You can change it through the config or through API.
* fixed a bug that NickAPI destroys the compatibility of player#setPlayerListName. (You should never use this method, but yeah.. it is now compatible with NickAPI)
* fixed a bug on update checker