Just a few bugs fixed and some minor changes.
Balance Changes:
*Stone Trap health decreased from 100 to 35, damage decreased from 18 to 16 and gold cost decreased from 500 to 350
*Stone Trap has a smaller area of effect
Bug Fixes:
*Fixed some bugs regarding the Stone Trap
*Fixed some bugs regarding collisions
*Fixed a bug that when you press L to quickly select the wall to build, any previous building selection is cancelled