### Added
- `test3`: collision detection with [cute c2][].
- Number of cusps statistics.
- Histogram plots.
- Different costs tests.
- Test of switching street movement to parking movement (`test7`).
- `test8`, `test9`.
- [BrainTree][] single header library.
- Test of switchout between road movement and parking (`test10`).
- Tests 15, 16, 17, 18 -- 2D, 3D grid and k-d tree.
- Script for generating simple JSON scenarios.