Merge branch 'develop'

Release kendall.0.4.2:
  * Performance improvements in status (updated to using gitpylib 0.4.2).
  * gl history is piped to less (updated to using gitpylib 0.4.2).
  * Output an error msg if the user provides a directory to file related ops.
  * Sort the files outputted by gl status so that it looks nicer.
  * Bug fixes.
Merge branch 'develop'

Release kendall.0.4.3:
  * Bug fixes