nat.utils 0.5.1

NB This release includes all changes since v0.4

• 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)