Initial implementation of GameWorld to handle map loading.

Signed-off-by: Zach Bennett <xslingshot@gmail.com>
Make Shoack Nova stick to the character that cast it.

Signed-off-by: Zach Bennett <xslingshot@gmail.com>
Make MeleeAttack an Entity.

Signed-off-by: Zach Bennett <xslingshot@gmail.com>
Merge branch 'master' of https://github.com/suicidepills/hack-n-slash-sprint

Signed-off-by: Zach Bennett <xslingshot@gmail.com>