DataValues/DataValues — pull request #9 by thiemowmde (2014-07-24 14:02:59+00:00)
Title: Fix wrong type hint in BooleanValue

* Reason to touch this file was the wrong type hint in the constructor.
* Calling the constructor is very strange and not necessary. The parameter is guaranteed to be bool.
* Dropped some `@since` that are just repeated from their `@see` parent method.