more integer results for A!B

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@432 bd74f7bd-1a55-4bac-9fab-68015b139e80
git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@433 bd74f7bd-1a55-4bac-9fab-68015b139e80
first shot at power operator

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@434 bd74f7bd-1a55-4bac-9fab-68015b139e80
fixed wrong fix in defined function header

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@435 bd74f7bd-1a55-4bac-9fab-68015b139e80
removed warnings about large integers

git-svn-id: http://svn.savannah.gnu.org/svn/apl/trunk@436 bd74f7bd-1a55-4bac-9fab-68015b139e80