update some implemented TODOs
update some implemented TODOs

RobertoMalatesta/glshim,seandepagnier/glshim,seandepagnier/glshim,seandepagnier/glshim,lunixbochs/glshim,RobertoMalatesta/glshim,lunixbochs/glshim,lunixbochs/glshim,RobertoMalatesta/glshim,seandepagnier/glshim,RobertoMalatesta/glshim,lunixbochs/glshim