Code cleanups again, fix Twist.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@8379 c06c8d41-db1a-0410-9941-cceddc491573

Created by  haranp  on January 10, 2009
6GCY45KA5LDI722CIIRZDCIQ35QCVVLBTUTDSLYYIXNXPQ7EJZTAC
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