v0.1.5

What's Changed

• Add CircleCI config by @benjaminwood / @natevick in #18
• Update Readme with basic usage instructions by @benjaminwood / @natevick in #19
• Add documentation for Semaphore + example workflow by @benjaminwood / @natevick in #20
• Fix formatting of in readme by @benjaminwood / @natevick in #21
• Give batches of test cases to RSpec to reduce filtering overhead by @benjaminwood / @natevick in #22
• Bump version to 0.1.5 by @benjaminwood / @natevick in #23

Full Changelog: v0.1.4...v0.1.5