Refactoring

[jacobnzw]

👉 Complete #5 before attempting to resolve! 👈

• [x] Rename TPQKalman to StudentProcessKalman or TProcessKalman
• [x] Group experimental classes in ssinf to the end of the file, title the section with a comment
• [x] Rename tf_meas to tf_obs in StateSpaceInference
• [x] Rename RBF to RBFGauss
• [x] Rename StudentInference to StudentianInference (to match GaussianInference)
• [ ] #25
• [ ] Drop the str in kwarg point_str of GP transforms
• [ ] Use annotations from typing module
• [ ] Ensure proper naming conventions for private functions and class member variables.
• [ ] Rename method dyn_fcn to dynamics
• [ ] Rename method dyn_fcn_dx to dynamics_jacobian
• [ ] Rename method dyn_eval to dynamics_eval
• [ ] Rename class StudentProcessKalman to StudentTProcessKalman (to match StudentTProcessTransform and StudentTProcessModel
• [ ] Rename class Model to BQModel
• [ ] GaussRV to GaussianRV
• [ ] utils.py: prepend gauss_mixture and multivariate_t with sample_
• [ ] Employ semantic versioning