Fixed memory percentage in html dumplog to be more appealing to the eye.

git-svn-id: https://unnethack.svn.sourceforge.net/svnroot/unnethack/trunk@1387 f1e491ac-5ded-4967-80bf-9f4855be876a
Applying a spellbook allows the player to flip through the pages, providing an indication of how many reads it has left.

git-svn-id: https://unnethack.svn.sourceforge.net/svnroot/unnethack/trunk@1388 f1e491ac-5ded-4967-80bf-9f4855be876a
Changelog rewording and indentation fixing.

git-svn-id: https://unnethack.svn.sourceforge.net/svnroot/unnethack/trunk@1389 f1e491ac-5ded-4967-80bf-9f4855be876a