0.7
-----------------------------------------------------------------------------
- Update dependencies to include WAI 3.0.x

0.6
-----------------------------------------------------------------------------
- Move `def` and `opt` from `Data.Predicate` to `Network.Wai.Predicate` and
  make both specific to `Predicate r Error t`.
- Remove `mapOkay` and `mapFail`.
- Update `bytestring-from` dependency.

0.5
-----------------------------------------------------------------------------
- Update dependencies constraints.

0.4
-----------------------------------------------------------------------------
- Use `singletons` library instead of `GHC.TypeLits` from base.
- Remove `mapResult` (use `fmap` instead).

0.3.2
-----------------------------------------------------------------------------
- Update dependencies constraints.

0.3.1
-----------------------------------------------------------------------------
- Add `fromVault` predicate and `HasVault` type-class.

0.3
-----------------------------------------------------------------------------
- Change `header`, `hasHeader` and `lookupHeader` to use `HeaderName` instead
  of `ByteString` for the lookup key.

0.2.1
-----------------------------------------------------------------------------
- Update WAI version bounds to include 2.1

0.2
-----------------------------------------------------------------------------
- Rename `getRequest` predicate to `request` and `request` method of
  `HasRequest` to `getRequest`.
- Add `MonadTrans` and `MonadIO` instance declarations for `ResultT` and
  some helper functions.

0.1
-----------------------------------------------------------------------------
- Initial release.