[#49] Materials Correction

Material numbering scheme changed from 1, 2, ..., 9 to 01, 02, ..., 09
to fit CryEngine standards.  This feature automatically recognizes if
you use the old numbering scheme and corrects it.
[#49]Material Correction Revised

- Adjusted code to be more optimized.
[#49]Material Correction Revised Corrected

Small correction.
Merge pull request #50 from travnick/feature/materials_correction

[#49] Materials Correction