fix: ref-cnt for undefined proc variables
4_1: add new cf-types: AE,QAE,pAE(<int>)
Fix bugs due to clang warnings...
Fix omalloc
rewrite of rCheckOrdSgn and setting of r->OrdSgn
chg: syntax simplification
Merge pull request #636 from mmklee/syntax

chg: syntax simplification
Merge remote-tracking branch 'origin/spielwiese' into proposal.fix.unit.and.zero.primary.decomposition.considerReview