- Implemented a new saving mechanism. Now they can be saved every 'autosave_time' in case the char-server is not online when you get a quest.
- Improved 'changequest' code.
- Increase MAX_QUEST_DB to 1200.
git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@13973 54d463be-8e91-2dee-dedb-b68131a5f0ec