DOCS: revision 22 released. Stack manipulation functions added.
DOCS: revision 22 released. Stack manipulation functions added.

NikolayShubenkovProgSchool/red,rheber/red,vehar/red,iArnold/red,rheber/red,iArnold/red,vehar/red,red-eco/red,red-eco/red,NikolayShubenkovProgSchool/red