Beam Weapons Third Update for #8.

COMPLETED: collision detection, damaging, beam max range.

TO DO:
option to allow the beam to continue casting through target objects,
repeat damage flag / damage interval
beam effects ( scorch marks, etc )
Beam Weapons 4th update for #8

beam weapons are fully working now
they now have a repeat damage flag and a damage interval time

one more major feature will still be added:
the ability for the beam to pierce through x amount of targets before stopping

additionally, beam effects (scorch marks, laser burns, etc) will be added in the future