Update to hint-0.7.0

0.7.0
* Support for GHC 8.2
* Support use in a dynamically-linked executable
* Add normalizeType, like ghci's :kind!
* Drop support for GHC 7.6

0.6.0
* Support for GHC 8.0
* Add displayException to InterpreterError

0.5.2
* Add runInterpreter variant that takes a GHC libdir at runtime
* Add missing negated extensions to the Extension type
* Do not throw GHC warnings as errors

0.5.1
* Expose unsafeInterpret in Language.Haskell.Interpreter.Unsafe

0.5.0
* Drop support for GHC 7.4
* Remove deprecated functions and modules:
  * glasgowExtensions
  * setUseLanguageExtensions
  * setInstalledModsAreInScopeQualified
  * Language.Haskell.Interpreter.GHC
  * Language.Haskell.Interpreter.GHC.Unsafe
* Drop dependencies on ghc-mtl and extensible-exceptions

0.4.3
* New maintainer and source code repo

(pho)