Changelog for data-has-0.4.0.0

# v0.4.0.0 * Add `:*:` type operator and pattern synonym for tuple. * Drop GHC < 7.10 support. # v0.3.0.0 * Add `hasLens`, thanks @pavelkogan! # v0.2.1.0 * Fix benchmarks. # v0.2.0.0 * Change `get/modify` to `getter/modifier` to reduce naming collision, namely `get/modify` would collide with `MonadState`. * Add tuple instances up to 12 elements.