- add a few JSON tests specific to MySQL, including basic reflection
- add a few JSON tests specific to MySQL, including basic reflection

monetate/sqlalchemy,sandan/sqlalchemy,robin900/sqlalchemy,graingert/sqlalchemy,wujuguang/sqlalchemy,j5int/sqlalchemy,ThiefMaster/sqlalchemy,j5int/sqlalchemy,sandan/sqlalchemy,ThiefMaster/sqlalchemy,wujuguang/sqlalchemy,bdupharm/sqlalchemy,zzzeek/sqlalchemy,bdupharm/sqlalchemy,graingert/sqlalchemy,sqlalchemy/sqlalchemy,robin900/sqlalchemy,monetate/sqlalchemy