[UPDATE] SDEval added to Index
[DEBUG] modified FreeAlgebra and Builder class.
FreeAlgebra: Checks now whether the basis or the variable list is empty
FreeAlgebra builder: Searches in the xml file for ncpoly, not any more for poly (new name conventions)
added the publication dir from old-master
Merge branch 'master' of pcai003.informatik.uni-leipzig.de:git/symbolicdata