Better Error handling and Documentation

What's Changed

• Updating majority of important RKVST references by @leflambeur in #139
• Fixing Subjects YAML Formatting by @leflambeur in #138
• Unittests of backoff are unreliable. by @eccles in #144
• Spelling errors in documentation. by @eccles in #143
• Add LOCATIONS_LIST to yaml runner by @eccles in #145
• Subjects example must use imported self subject by @eccles in #147
• Handle errors more gracefully by @eccles in #151

Full Changelog: v0.13.1...v0.14.0