new version of ncfactor.lib
Merge pull request #601 from surface-smoothers/fix.primDecsAreEquivalent

handling nonredundant primary decompositions in primDecsAreEquivalent-te...
Merge pull request #598 from surface-smoothers/fix.isSubset

bugfix for isSubset(), see trac ticket 551
missing routines for coeff_BIGINT
ehv.lib is depreciated
Merge pull request #574 from surface-smoothers/fix.isQuotientRing

fix isQuotientRing for cases that parameter ring and basering differ
Initial addition of some Wiki materials to Sources in markdown form (.md) with references
Merge remote-tracking branch 'origin/spielwiese' into spielwiese.patched
added debug statement in testPrimary