* only place one spear entity for multiple mobs hit
* widen the area of effect of it
* remove delay for effect
* remove tons of duplicate code!!
* reduce wear when no hit
* generalize which nodes can be shot through
* changed descriptions of DBZ-based weapons - we should not use trademarked names.
* still need to change their itemstring names
* moved evocation bombs to own file, moved matria bumbs to own file
