Return Laguerre polynomials in the regular case
Return Laguerre polynomials in the regular case

There are various tricks that sometimes involve removing poles from the
vectors in the sum rule. When we push this to its conclusion ,we still
need to be able to generate a bilinear basis.

Signed-off-by: Connor Behan <89f96a099c47edae2e9c5a371cbf43991ac7aa8c@gmail.com>

cbehan/pycftboot