v0.2.2 Faster Forward Kinematics High Order Derivative

1. Implement a strategy to improve speed to compute higher order derivatives of forward kinematics, by storing the results of products of transformation matrices.
2. Fix ompl version to 1.7.0.

v0.2.1 Python Scripts for Simulation and Visualization

1. Python scripts for simulation and visualization for major examples of Digit and Kinova.
2. Add an initial guess text file for Digit multiple-step gait optimization.

v0.2.0

1. More documentation.
2. System identification development.
3. ARMOUR and WAITR improvement and integration.
4. Unitree-G1 example.
5. A lot of bugfixs.

v0.1.0

A development-freeze version to reproduce results for the arxiv paper Rapid and Robust Trajectory Optimization for Humanoids