Merge pull request bcit-ci#1331 from rogeriopradoj/patch-1

Workaround for PDO Driver in 2.1-stable: num_rows doesn't work for SELECT queries

Readded PDO drivers.

retagging v2.0.3 - the old tag contained a change log item that is st…

…ill in develop, no code changes were made

Releasing 2.0.3