Area:
- Unit test: test inversion of points.
- Add reorder_coordinates().
- Remove all set_{x,y,z}_{min,max}() accessors.
- Remove set_p_min() and set_p_max().
- Add set_coordinates().
- The constructor now takes 2 Point3D instead of 6 float coordinates.
Point3D:
- Unit test: finish to test distances, test new cast operator.
- Add a cast to string operator.
Unit tests:
- Add valuetraits.hh with class to display correctly a Point3D in a
wrong assertion.
Matteo Cypriani