0.6.0

Enhancements

• Use an array to describe arguments.
  [Fabio Pelosin][fabiopelosin]
  #26
• Improved layout and contents of help banner
  Fabio Pelosin
  #25
• Colorize option, arguments, and example commands in the help banner.
  Fabio Pelosin
  #12
• Add support for ANSI escape sequences.
  Fabio Pelosin
  #17
  #20
  #24
• Add support for completion script
  Fabio Pelosin
  #19
• Add support for version logic via the introduction of the version class
  attribute to the CLAide::Commmand class. If a value for the attribute is
  specified the --version flag is added. The --version --verbose flags
  include the version of the plugins in the output.
  Fabio Pelosin
  #13
  #14