- Added license block - Fixed typos in comments - Fixed b bug in the 'rim occlusion' code.   The bug occurred when the trace hitpoint (from a ray fired the rim point towards P) self intersected with the object being shaded, only fractionally further along the ray than the last hitpoint.
- Added license block
- Fixed typos in comments
- Fixed b bug in the 'rim occlusion' code.
  The bug occurred when the trace hitpoint (from a ray fired the rim point towards P) self intersected with the object being shaded, only fractionally further along the ray than the last hitpoint.

i-Reboot/CutAwayShader