Adds:
- Lasers
- New rune: Mana regen / Mana per hit
- Magic wands to change the ground surface
- Ice blocks transmutation magic wand

Engine
- Dynamic laser engine, fully customisable from config files
- color, size, shape
- deformation type
- configurable lightning effect arround
- Guns can burst dynamic lasers with access to all custom parameters

Fixed
- Soulgems bounce on companion orbs and NPCs (shops)
- Doors cannot be closed if there is a companion orb in the way
- Small grass and ground deposits are not rendered correctly in windy conditions
- Protector unique monsters can be catched