Skin not existing queries.
Merge pull request #33 from sergeykalenyuk/improvement

Skin not existing queries.
Remove useless connection configs. noref
Merge pull request #34 from colinmollenhour/master

Remove useless connection configs.
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Remove useless connection configs. noref
  Skin not existing queries.