nat.utils 0.5
===============
* fixes gzip.crc bug on solaris (#8, thanks to Brian Ripley)
* dev: simplify gzip.crc test and therefore no longer depend on digest

nat.utils 0.5
===============
* new function common_path finds common prefix of multiple paths
* new function split_path breaks a path into its components, optionally 
  including file separators.
* file.hardlink is now defunct
* dev: imports utils::read.table
* dev: extra tests and code coverage support

nat.utils 0.4.3
===============
* bugfix: abs2rel handles multiple paths without a warning
* bugfix: zipinfo quotes files
* dev: upgrade to roxygen2 v4.0.2 and better rstudio settings

nat.utils 0.4.2
===============
* bugfix: export is.gzip
* bugfix: test error

nat.utils 0.4.1
===============
* add is.gzip function
* RunCmdForNewerInput now has a Force option (FALSE by default) that can be
  used to override mtime checks and run the command if possible.
* dev: upgrade to roxygen2 v4

nat.utils 0.4
=============
* RunCmdForNewerInput can now evaluate expressions in the context of the caller
  (so that variables can be used properly)
* tests: fix a test failure for latest version of testthat
* dev: add travis continuous integration, update docs with roxygen2 v3.1

nat.utils 0.3
=============
* deprecate file.hardlink in favour of base::file.link
* prepare CRAN release

nat.utils 0.2
=============
* add zipinfo() and zipok() functions (and tests)

nat.utils 0.1
=============
* First version on github
* translates main functions from AnalysisSuite Utils/OSUtils.R