Significant changes to saving system. Now both client and server store their lib part.
Desync detection upon loading. Fixed many desyncs. (more remain)
Monsters won't have creature count 0 even if that is set as creature properties.

git-svn-id: https://vcmi.svn.sourceforge.net/svnroot/vcmi/trunk@3215 4dfc6b2a-8b31-0410-aa91-d6c70e3ac834