You can now add player skulls to inventories apposed to just custom ones!

Fixed the version number in the build.gradle to reflect the current version of the library.
Fixed the library, it had an old dependency from the version back from a year ago.

This is no longer required anymore to run. (Hopefully)

Moved the Action Bar Builder to the Builders package
Moved the Message Builder to the Builders package

These were moved because they were in the wrong package before hand. This has now since been changed to make it easier to use for certain things.