rm unnecessary returns

bump to 3.1.0

tweak cone printing

tweak logo size

bump to v 2.1.3

Merge pull request cvxgrp#141 from adshieh/adshieh-isless

Quiet NaN comparisons

bump to 2.1.1

bump to ver 2.0.2

init vars to remove warning

bump version to 1.2.6 for pip release