Protects against time loop calls both externally and internally

External periodic engine support

Separe sqlQA and mySQL lib, add namespace, commnets, license and read…

…me file

Try fix connection disconnect by server

Add protect if connection is not valid

Deque implementation done, dev tested

Fix connection close, and implement bot for reconnect

Pool connections support, tested

Add commands: limit, insertinto, update, deletefrom. Fix all update c…

…ommands channel

Formater: select, from, where, update, set. Fix bug in disconnect/clo…

…se. SQLQA type. Exec/query refactor