added data() function and replaced an attribute acces by a call to data()
added data() function and replaced an attribute acces by a call to data()

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