fix wrong decoding of integer / type B (now handle signedness correctly)
separate result code und decoded value for integer decoding (new
parameter)
refactor variable names
Update XML after fixing bug with signed integer
Add manufacturer ID for GMC
Add product name mapping for GMC-I EMMOD206
Add test frame for GMC EMMOD 206
Fix VIF extension mappings for VIF=0FBh
Add missing VIF=7Eh / FEh