---------

  issue #31:
     Made HCM fail cleanly when a componenet could not be found to install.

Enhancements
------------

  issue #18:
     Dependency support has been added.

  issue #27:
     The install version argument is optional.
     If not used, then the latest version will be installed.

  issue #28:
     Added show subcommand to list information about an installed component

  issue #32:
     The show subcommand now lists component dependencies.

Miscellaneous
-------------

Updates for Codacy checks.
Updates for Code Climate checks.