(v 0.5.1) Added Player Management

Added new classes that make player hashmaps and stuff.
On login it adds the player to the hash map.
On logout it removes the player and saves it to the yml file.
Stores player name, character name, whether the player is registered or
not, the race and the class
(v 0.5.1) General

Prettied code, added new command to plugin.yml.  Changed code to
implement new packages.
(v 0.5.1) New Command

Added /ccregister.  Accepts one player argument.  Registers player
(edits hash map if online, and file if not).
(v 0.5.1) Implementation

Implemented packages.  Implemented code for Player hashmap