Move modules into chebyfit package. Add Python wrapper for _chebyfit C extension module. Fix static analysis issues in _chebyfit.c.

The research team determined the Jones polynomials of different links through simulating the braiding operations of Majorana fermions. This study was published in Physical Review Letters.

Other examples include chebyshevu, legendrep, jacobip, ultrasphericalc, hermiteh and laguerrel. For expansion, it supports usage as quasi-arrays where one axis is continuous and the other axis is ...