REF:  Us numpy array for p3 and functions for output
CLN:  Remove Coibion review.
ENH:  Started file for making figures.
API: Add nomred to hist.\
BUG:  checking λ = λ' or None bad when λ=0.
PAPER:  More content, more appendix
CLN: remove blank line
BUG: Call ravel() on shocks earlier.
NEW: File to figure out wth is going on with output.
NB:  More pics
NB:  Updates?
PERF:  Try to optimize the quad a bit.
PAPER: Moar.