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
AE,pAE,QAE removed from system: included in SINGULAR_4_1 stuff
SINGULAR_4_1: add pAE routine via iiAddCproc
simplified system: removed minor, waitforssilinks, naIdeal
doc: reference eigenvalue
version 4-0-0.p4
fix: decimal: handling of "0"
Merge remote-tracking branch 'origin/spielwiese' into spielwiese.patched