Update documentation
Update the documentation based on the changes in the master branch. This includes the transition from SPInS 1.0.0 to 1.1.0 which adds the possibility of using emcee 3 and ptemcee.
Update the documentation based on the changes in the master branch. This includes the transition from SPInS 1.0.0 to 1.1.0 which adds the possibility of using emcee 3 and ptemcee.