Merge pull request #85 from hddm-devs/rlssm_dev

readme update

Bump version to 0.7.7

Bump version to 0.7.4

Bump version to 0.7.3 add Mads Pederson to authors.

Bump version to 0.7.1

Update version to 0.7.0.

Bumped version to 0.6.0.

Update cython file.

BLD: Update pymc ref.

Bumped version to 0.5.3