Import py27-nlib-0.2 as wip/py-nlib.

Nlib is a collection of numeric/scientific algorithms which do
not required numpy
Update to 0.13.2.0

ChangeLog:
Changes in 0.13.2.0

  * Generators for beta, Bernoully, Dirichlet and categorical distributions
    added.

  * Functions for generating random shuffles added.

Changes in 0.13.1.2

  * GHC 7.9 support