- Cellindex now checks to see if that cell exists before setting.

- width/height of Entities update as the cellIndex does.
- Comment added to the update method.
- Box components hitbox now updated with the cellIndex unless/until the dev specifies one.
- Fixed bug with Input Components drag not taking hitboxs offset into account when positioning.

- Renamed 'devDefined' to 'autoUpdate'
Textureatlas images added.