checkattempt fix

git-svn-id: svn://svn.code.sf.net/p/sauerbraten/code/src@5024 07af1644-1164-4067-b897-63bf4dc9b748
freedecal fix

git-svn-id: svn://svn.code.sf.net/p/sauerbraten/code/src@5025 07af1644-1164-4067-b897-63bf4dc9b748
>> fix

git-svn-id: svn://svn.code.sf.net/p/sauerbraten/code/src@5026 07af1644-1164-4067-b897-63bf4dc9b748
matchstring cleanups

git-svn-id: svn://svn.code.sf.net/p/sauerbraten/code/src@5027 07af1644-1164-4067-b897-63bf4dc9b748
more matchstring cleanups

git-svn-id: svn://svn.code.sf.net/p/sauerbraten/code/src@5028 07af1644-1164-4067-b897-63bf4dc9b748
Sdos auth code removed.
New version.
Readme update.