new ]KEYB command

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@437 bd74f7bd-1a55-4bac-9fab-68015b139e80
fixed Assert() after syntax error in defined operator

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@438 bd74f7bd-1a55-4bac-9fab-68015b139e80
fixed ⎕RL

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@439 bd74f7bd-1a55-4bac-9fab-68015b139e80
fixed ^C in ⍞ and ? bias

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@440 bd74f7bd-1a55-4bac-9fab-68015b139e80
added aplwrap to README-3-keyboard

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@441 bd74f7bd-1a55-4bac-9fab-68015b139e80
patches and improved ]PSTAT

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@442 bd74f7bd-1a55-4bac-9fab-68015b139e80
patches and improved ]PSTAT

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@443 bd74f7bd-1a55-4bac-9fab-68015b139e80
improved ]PSTAT command

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@444 bd74f7bd-1a55-4bac-9fab-68015b139e80