[ + ] Fixed errors being thrown when a player drops their head.

[ + ] Fixed there being no texture added when players drop their heads.

[ + ] Fixed player heads being unsellable/being set to 0.

[ + ] You can now modify player head information using /hp headinfo again.

[ + ] Fixed some weird issues with /hp headinfo (other than the one mentioned above).

[ + ] /head, /hp conjure and /myhead now add heads directly to your inventory. This was not possible beforehand to support head texture loading but separate methods have made this possible and faster.

[ + ] Fixed some issues with /hp conjure where the command wouldn't stop where intended.