* Breaking: Ensure an empty default string does not yield a slice with 1 element
Though this is a just a tiny change it does change the default behaviour, so I'm marking this as a breaking change. You should ensure your code is fine with the changes.
# 1.2.0 / 2017-06-19
* Add ParseAndValidate method
# 1.1.0 / 2016-06-28
* Support time.Duration config parameters
* Added goreportcard badge
* Added testcase for using bool with ENV and default