* starting benchmark flag

* Revert "starting benchmark flag"

This reverts commit 58fc948626cb2f99a4f26e9cef3675b4d0938176.

* fixes issue #269

* add more unit tests

* fix bug

* Update cmd/common.go

Co-Authored-By: Liz Rice <liz@lizrice.com>

* fixes as per PR review

* fixes as per PR review

* adds more tests

* fixed tests

* changes as per PR Review

* changes as per PR Review

* updated README

* Update README.md

Co-Authored-By: Liz Rice <liz@lizrice.com>

* Update README.md

Co-Authored-By: Liz Rice <liz@lizrice.com>

* Update README.md

Co-Authored-By: Liz Rice <liz@lizrice.com>

* Update README.md

Co-Authored-By: Liz Rice <liz@lizrice.com>

* changes are per PR review