Use natural sorting for library book view.

git-svn-id: svn+ssh://svn.code.sf.net/p/mcomix/code@908 ef8490bc-f317-4725-81ed-e95a9aca1bcf
Update ChangeLog


git-svn-id: svn+ssh://svn.code.sf.net/p/mcomix/code@909 ef8490bc-f317-4725-81ed-e95a9aca1bcf
Always add new books to currently active collection.

git-svn-id: svn+ssh://svn.code.sf.net/p/mcomix/code@910 ef8490bc-f317-4725-81ed-e95a9aca1bcf