functionaljava/functionaljava — pull request #29 by cwmyers (2013-04-23 20:35:20+00:00)
Title: Added static join function to Validation

Validations are amazing. I've added a join function to validation so that Validations with containing validations are joined together. I.e. `Validation>` becomes `Validation`

This is isomorphic to what is implemented on `Option`.