added type conversions (signed => unsigned)
added type conversions (signed => unsigned)

dstoe/vigra,xiwei-zhang/vigra,stuarteberg/vigra,dagophil/vigra,xiwei-zhang/vigra,kod3r/vigra,hmeine/vigra,cha007/vigra,timoMa/vigra,xiwei-zhang/vigra,hmeine/vigra,martinsch/vigra,cha007/vigra,dstoe/vigra,funkey/vigra,timoMa/vigra,martinsch/vigra,kod3r/vigra,capturePointer/vigra,psteinb/vigra,timoMa/vigra,hmeine/vigra,DaveRichmond-/vigra,capturePointer/vigra,timoMa/vigra,kod3r/vigra,cbecker/vigra,mmuellner/vigra,martinsch/vigra,DaveRichmond-/vigra,xiwei-zhang/vigra,hmeine/vigra,mmuellner/vigra,capturePointer/vigra,kod3r/vigra,dagophil/vigra,DaveRichmond-/vigra,ThomasWalter/vigra,cha007/vigra,funkey/vigra,capturePointer/vigra,mmuellner/vigra,martinsch/vigra,timoMa/vigra,stuarteberg/vigra,cbecker/vigra,kod3r/vigra,mmuellner/vigra,DaveRichmond-/vigra,psteinb/vigra,xiwei-zhang/vigra,cbecker/vigra,ThomasWalter/vigra,dagophil/vigra,funkey/vigra,mmuellner/vigra,hmeine/vigra,ThomasWalter/vigra,psteinb/vigra,stuarteberg/vigra,funkey/vigra,cbecker/vigra,capturePointer/vigra,DaveRichmond-/vigra,martinsch/vigra,psteinb/vigra,cha007/vigra,kod3r/vigra,cbecker/vigra,ThomasWalter/vigra,capturePointer/vigra,xiwei-zhang/vigra,dstoe/vigra,dagophil/vigra,ThomasWalter/vigra,stuarteberg/vigra,cha007/vigra,mmuellner/vigra,mmuellner/vigra,ThomasWalter/vigra,psteinb/vigra,cha007/vigra,dstoe/vigra,timoMa/vigra,stuarteberg/vigra,dagophil/vigra,hmeine/vigra,kod3r/vigra,psteinb/vigra,funkey/vigra,dstoe/vigra,dagophil/vigra,psteinb/vigra,martinsch/vigra,stuarteberg/vigra,timoMa/vigra,xiwei-zhang/vigra,funkey/vigra,dstoe/vigra,cha007/vigra,dstoe/vigra,cbecker/vigra,DaveRichmond-/vigra,capturePointer/vigra,DaveRichmond-/vigra,dagophil/vigra,hmeine/vigra,ThomasWalter/vigra,funkey/vigra,stuarteberg/vigra