constructors added
fixed
postgre fixed, not tested
tests changing
DataTypeTest rewriten with QuickCheck's generator
Merge branch 'fixedval' of https://github.com/s9gf4ult/persistent into persistent1.2

Conflicts:
	persistent-postgresql/Database/Persist/Postgresql.hs
	persistent-postgresql/persistent-postgresql.cabal
	persistent-sqlite/Database/Sqlite.hs
	persistent-test/persistent-test.cabal
	persistent/Database/Persist/Store.hs
Ignore .shelly
Fix some Pico tests
Fix MigraionOnly
Minor test clarification