Changelog for `filepath` package

Note: below all FilePath values are unquoted, so \\ really means two backslashes.

1.4.2.1 Jul 2018

Bundled with GHC 8.6.1

1.4.2 Jan 2018

Bundled with GHC 8.4.1
Add isExtensionOf function.

1.4.1.2 Feb 2017

Bundled with GHC 8.2.1

1.4.1.1 Nov 2016

Bundled with GHC 8.0.2
Documentation improvements

1.4.1.0 Dec 2015

Bundled with GHC 8.0.1
Add replaceExtensions and stripExtension functions.
Make isValid detect more invalid Windows paths, e.g. nul .txt and foo\nbar.
Improve the documentation.
Bug fix: isValid "\0" now returns False, instead of True

1.4.0.0 Mar 2015

Bundled with GHC 7.10.1
New function: Add -<.> as an alias for replaceExtension.
Semantic change: joinDrive /foo bar now returns /foo/bar, instead of /foobar
Semantic change: on Windows, splitSearchPath File1;\"File 2\" now returns [File1,File2] instead of [File1,\"File2\"]
Bug fix: on Posix systems, normalise //home now returns /home, instead of //home
Bug fix: normalise /./ now returns / on Posix and \ on Windows, instead of // and \\
Bug fix: isDrive "" now returns False, instead of True
Bug fix: on Windows, dropTrailingPathSeparator / now returns / unchanged, instead of the normalised \
Bug fix: on Windows, equalFilePath C:\ C: now returns False, instead of True
Bug fix: on Windows, isValid \\\foo now returns False, instead of True
Bug fix: on Windows, isValid \\?\D:file now returns False, instead of True
Bug fix: on Windows, normalise \ now returns \ unchanged, instead of \\
Bug fix: on Windows, normalise C:.\ now returns C:, instead of C:\\
Bug fix: on Windows, normalise //server/test now returns \\server\test, instead of //server/test unchanged
Bug fix: on Windows, makeRelative / // now returns //, instead of ""

1.3.0.2 Mar 2014

Bundled with GHC 7.8.1
Update to Cabal 1.10 format
Minor Haddock cleanups

1.3.0.1 Sep 2012

Bundled with GHC 7.6.1
No changes

1.3.0.0 Feb 2012

Bundled with GHC 7.4.1
Add support for SafeHaskell
Bug fix: normalise / now returns /, instead of /.