citation_update (#47)

Co-authored-by: Nicholas Rubin <rubinnc0@gmail.com>

bump version to 0.4 (#45)

version bump (#36)

Update version number and OpenFermion requirements (#30)

version typo

Update version number

bumped required openfermion version (#12)

fixed typo in readme (#7)

* fixed typo in readme

* bumped_version_number

Adds back authors to README.rst.