ForcesfromWhereYouWant

What's Changed

• How to cite README.md by @Ipuch in #138
• small refactor and typo by @Ipuch in #139
• a bit of numba to be faster in numpy by @Ipuch in #140
• refactor(process marker) by @Ipuch in #141
• refactor: inverse kinematics init by @Ipuch in #142
• missing extra commit by @Ipuch in #143
• delete: solve_frame_per_frame=False forever by @Ipuch in #144
• fext adressing major enhancement by @Ipuch in #145

Full Changelog: 0.9.0...0.9.1