directory 1.2.3.0
* Add support for XDG Base Directory Specification
( https://github.com/haskell/directory/issues/6 )
* Implement setModificationTime counterpart to getModificationTime
( https://github.com/haskell/directory/issues/13 )
* Implement getAccessTime and setAccessTime
* Fix canonicalizePath so that it always returns a reasonable result even if
the path is inaccessible and will not throw exceptions unless the current
directory cannot be obtained
( https://github.com/haskell/directory/issues/23 )
* Corrected the trailing slash behavior of makeAbsolute so that
makeAbsolute "" == makeAbsolute "."
* Deprecate use of HsDirectory.h and HsDirectoryConfig.h