Merge pull request #6 from sanguineturtle/master

Update and Delete solutions/stand_alone_programs/ folder
minor edit
small edits to numpy/scipy example notebook
Merge branch 'master' of github.com:jstac/quant-econ
ENH: don't solve linear system twice in a row
BUG: numpy broadcasting error in asset pricing
Merge pull request #7 from spencerlyon2/minor_fix

ENH: don't solve linear system twice in a row
Merge pull request #8 from spencerlyon2/asset-pricing-bug

BUG: numpy broadcasting error in asset pricing
BUG: fixed bug in asset pricing solutions

we were trying to verify that the computed v was a fixed point of
the value function, but we were using the wrong equation.

All I needed to do was swap a `-` for a `+`.
minor correction
Merge pull request #9 from spencerlyon2/asset-pricing-solutions

BUG: fixed bug in asset pricing solutions
Merge branch 'master' of github.com:jstac/quant-econ
Minor edits to docstrings
added quadmap plot
minor correction
modified readme
modified readme