* Tue Feb 9 2016 - version 0.5.0
- Fixed validation error reporting for Datetime parameters
- Fixed resource object cloning

* Sun Jan 24 2016 - version 0.4.2
- No changes

* Sat Jan 23 2016 - version 0.4.1
- No changes

* Web Jan 20 2016 - version 0.4.0
- API for accessing authentication token
- Client-side input parameter validators
- Drop table_print in favor of custom output formatter
- CLI
  - switches -c, --columns, -r, --rows to select output mode
  - option -o, --output to select parameters to print
  - option -s, --sort to sort by specific parameter (on client-side)
  - switch --timestamp, --utc and --localtime to select how to print Datetime
    parameters
  - switch --check-compatibility to determine whether the client is compatible
    with given API server
  - switch --protocol-version to print protocl version that this clients
    implements
- Check protocol version
- Fixed check of invalid action
- ResourceInstance passes on prepared_args correctly