removed the special treatment of roots close to zero sort roots using closeAtTolerance()
removed the special treatment of roots close to zero
sort roots using closeAtTolerance()

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