ghc-profunctors-5.2-2.7

- Update to version 5.2 revision 0 with cabal2obs.

- update to 5.2
  * Renamed Cotambara to TambaraChoice and Pastro to PastroChoice.
  * Added a true Cotambara and Copastro construction for (co)freely generating
    costrength, along with CotambaraSum and CopastroSum variants.
  * Engaged in a fair bit of bikeshedding about the module structure for lesser used
    modules in this package.

- update to 5.1.2
  * Added Prep and Coprep along with witnesses to the adjunctions
  Prep -| Star : [Hask,Hask] -> Prof and Coprep -| Costar : [Hask,Hask]^op -> Prof.

- update to 5.1.1
  * Add proper support for GHC 7.0+.
  * instance Costrong (Cokleisli f).
  * instance Cochoice (Star f).
  * Changed the instance for Cochoice (Costar f).
  * MINIMAL pragma for Costrong and Cochoice.
  * More Costrong and Cochoice instances.
  * UpStar and DownStar have become Star and Costar. Star is analogous to Kleisli,
  Costar is analogous to Cokleisli.
  * Split representability into sieves and representability.
  * Moved Data.Profunctor.Collage to semigroupoids 5, and removed the semigroupoids
  dependency.

- initial commit