Merge pull request #623 from mohamed-barakat/devel

installed LastOp for IsLazyHListRep

Merge pull request #622 from mohamed-barakat/devel

bumped versions

Merge pull request #622 from mohamed-barakat/devel

bumped versions

Merge pull request #620 from mohamed-barakat/devel

Merge pull request #618 from mohamed-barakat/AutoDoc

Merge pull request #617 from mohamed-barakat/RationalShiftAlgebra

d&i *RationalShiftAlgebra

Merge pull request #617 from mohamed-barakat/RationalShiftAlgebra

d&i *RationalShiftAlgebra

Merge pull request #616 from zickgraf/master

Merge pull request #615 from mohamed-barakat/devel

bumped version of Gauss

Merge pull request #613 from mohamed-barakat/RingMapOntoSimplifiedRes…

…idueClassRing

fixed RingMapOnto* methods