Packrat Parser rocks

git-svn-id: http://gapt.googlecode.com/svn/trunk/source@1575 85d21ef8-add0-11de-ae77-5bfb9c5a3f34
replacing some println's by correct debugging output

git-svn-id: http://gapt.googlecode.com/svn/trunk/source@1577 85d21ef8-add0-11de-ae77-5bfb9c5a3f34