fixed ∇ on non-empty line, more functions moved to APserver

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@370 bd74f7bd-1a55-4bac-9fab-68015b139e80
fixed ∇ on non-empty line, more functions moved to APserver

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@371 bd74f7bd-1a55-4bac-9fab-68015b139e80