Added get_files, get_file, retrieve_file to rdmutil
Added get_files, get_file, retrieve_file to rdmutil. Now requires v0.0.17 simplified package. Bug fix for issue #43. Prep work for adding file upload support for rdmutil.
Added get_files, get_file, retrieve_file to rdmutil. Now requires v0.0.17 simplified package. Bug fix for issue #43. Prep work for adding file upload support for rdmutil.