manual:  document how to get a Lisp multiple values from Java.

git-svn-id: http://abcl.org/svn/trunk/abcl@14737 1c010e3e-69d0-11dd-93a8-456734b0d56f
Fix printed representation of LispStackFrame as unreadable object.

git-svn-id: http://abcl.org/svn/trunk/abcl@14738 1c010e3e-69d0-11dd-93a8-456734b0d56f