Merge branch 'release/0.1.2.1'
Merge branch 'develop'
Update README.md

Fix incorrect name for the cache option
Merge branch 'release/0.1.5'
Merge branch 'release/0.1.5'
Updates Readme with Current Release History
Merge branch 'master' into develop

* master:
  Updates Readme with Current Release History
  Update README.md