Updated several classes

Merged from upstream/master

implemented String.format() to properly format the string
Added "save" to the when the players get kicked.

Implemented fireball, xp, repair, feed, and workbench (indev)

Placeholder for ptime command

Fixed screw up with gamemode command (mistaken it for give),

Removed content in the item method for a rewrite

Moved the kit commands to UtilsCommands class and remove ToolsCommands (will add back later in the future)

Moved chat to its own class (not registered yet)
Some new commands