general PG cleanup
more hlint
unused pragmas
missed a pragma
missed another pragma
put known types into an IntMap
some array type support
remove duplicated line
import ResourceT
Merge pull request #223 from joelteon/master

General persistent-postgresql cleanup
QuickCheck 2.7
add back check for unknown type
Merge pull request #228 from joelteon/master

Add back in "unknown" handling
Version bump
improve Dockerfile documentation
Tighter lower bound #231