* fix lasso doc typo * fix lasso optimizer bug
* add fit_intercept to LASSO * lasso: intercept=None if fit_intercept is false * update CHANGELOG.md to reflect lasso changes * lasso: minor
* Fix LASSO (#342) * change loss function in doc to match code * allow `n == p` case * lasso add test_full_rank_x --------- Co-authored-by: Zhou Xiaozhou <zxz@jiweifund.com>