directory 1.2.7.0
* Remove deprecated C bits. This means HsDirectory.h and its functions
are no longer available.
( https://github.com/haskell/directory/issues/50 )
* Add doesPathExist and getFileSize
( https://github.com/haskell/directory/issues/57 )
* Add renamePath
( https://github.com/haskell/directory/issues/58 )
* Add removePathForcibly
( https://github.com/haskell/directory/issues/59 )