Undefined function in FASTPT.py

[dderienzo]

FASTPT.py has a function in the top level functions defined as cleft_Q_R. Two terms used in calculations, as well as being returned, are generated from respective undefined functions.

    FR1 = cleft_Z1(self.k_old, Ps)
    FR2 = cleft_Z2(self.k_old, Ps)

Neither cleft_Z1 or cleft_Z2 exist anywhere in the repository. They were added in this commit to the original JoeMcEwen FAST-PT repository.

[vschac]

Updated in V4