0.3.0 A restructuring of 0.2.x where: * Tests updated to use doctest * Update API to use Prism and Iso (Control.Lens) * Rename package Validation (deprecated) to validation 0.3.1 Use Safe Haskell pragma 0.3.2 Implement Validate on Either 0.3.3 Provide Isos between (ValidationT Identity) and other data types. 0.3.4 Loosen the type of the Isos for polymorphic update.