Remove auto_increment from creature.id
Fix some database problems.

-Change the primary key of creatures table.
-Remove the unique key of roundcreatures table.
-Add a primary key in the roundcreatures table.
Fix db_schema
Fix my stupid mistakes
Fix sql schema
Change the names of the primary keys
Accidentaly pushed a wrong change
Merge branch 'master' of https://github.com/VitSalis/endofcodes