Changed the text input method when setting an armor stand's name or skull. Text is now entered using chat prompts instead of signs.
Rewrote the "pick up armor stand as item" feature to utilise minecraft's native NBT EntityTag so that armor stands converted into items can be placed down even if the plugin is disabled or removed.
Fixed issue when the config.yml option crouchRightClickOpensGUI set to true. The GUI will now no longer open if the player crouch right clicks an armor stand while holding one of the tools.
Fixed skull owner sometimes not being set when generating armor stand summon command.
After the above changes, Armor Stand Tools no longer uses any NMS code, which should improve the chance of instant compatibility with future minecraft versions.