v2.2.2

TL;DR: Bug fixes and optimizations.

[Features]

• small vector column
• slicers are now pickle-able
• ignoring simplices at infinity can be chosen at runtime
• insert_batch is now compatible with multicritical filtrations

[Fixes]

• MMA plots improvements
• Windows build (still doesn't compile)
• MMA with empty boxes, or array boxes
• dtype issues with slicers, and cubical filtrations
• MMA cpp templates now follow the tempita file
• less rigid typings in slicers, insert_batch

[Optimizations]

• !Möbius inversion in python, now moved in the point_measure module
• python to cpp filtration values translations
• slicer constructor

[Documentation]

• Updated external libraries' doc