Merge tag 'ql-2013-12' into devo

December 2013 Quicklisp
Merge tag 'ql-2013-12-p001' into devo

Updated the readme file after-the-fact.
working toward 1587
added some regression tests, updated boolean garbage collection.
updated for gdl1585p002 release
releasing 1585p002
did release 1585p002
Merge branch 'release/1585p002'