Merge pull request #61 from erikd/master

Test.hs : Reduce chance of 'orderBy [rand]' randomly failing.
Lower the chance of false negatives even more.
Bump version to 1.3.11.
Export veryUnsafeCoerceSqlExprValueList (fixes #62).
Bump version to 1.3.12.
Allow esqueleto's functions to be used on top of transformers.

Instead of using SqlPersistT, now it uses MonadSqlPersist.
Major version bump to 1.4.

Although most people's code won't break, this release generalizes many
type signatures and changes the signatures of the conduit versions.
Small doc improvements.
Export an unValue function.
Bump version to 1.4.1.