add support for proxysql (#2917)

* Adding support for proxysql

* Moved and restricted imports, updated exception handling

* Updated version_added, and mysqldb_found constant name

* Removed unnecessary parentheses
This commit is contained in:
bmildren 2016-11-02 19:03:10 +00:00 committed by Matt Clay
parent 82d2a4810e
commit e284af01b1
8 changed files with 3165 additions and 0 deletions