Add another test with E and B power
(#304)
Go back to irfft2 for kappa.  Also fix some subtle errors in the make_hermitian function
(#304)
Use larger grid size for final unit test so power is non-zero over the whole grid, and fix minor bug discrepency between main code and kappaKaiserSquires
(#304)
Update reference again after the recent tweak
(#304)
Update commit in shearfield_ref.py
(#304)