Operating system and graphics card
Broken: (example: 2.69.7 4b206af, see splash screen)
Short description of error
Exact steps for others to reproduce the error
Based on a (as simple as possible) attached .blend file with minimum amount of steps
BoolTool 0.2 and BoolTool 0.3.5 is nothing wrong.
Focus solve problem on Blender 2.77a is fine.
Blender 2.78 and Blender 2.78a problem on BoolTool.
Please fix come from 2.77a to 2.78xx and BoolTool 0.3.5 is fine.
I has been test on Blender 2.77a within BoolTool 0.3.5 is fine.
I has been test on Blender 2.78 within BoolTool 0.3.5 is problem.