WINTERMUTE: Remove outdated comments
WINTERMUTE: Tidy up addRect procedure
WINTERMUTE: Remove unused public functions from rect container
WINTERMUTE: Tidy up getFallback function
WINTERMUTE: Remove if around warning

(unlikely and the whole block is only there for debugging anyway)
WINTERMUTE: Debug assertion for getFallback
WINTERMUTE: Comments
WINTERMUTE: Remove useless continue statement in 0-case in getOptimized
WINTERMUTE: Clean up comments
WINTERMUTE: Debug assertion in getOptimized