Unify helper.GitCommand and helper.GitCommandReader
We expand the NewCommand arguments to accomodate for stdin and stdout overrides, as well as extra ENV parameters.
Closes #117 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
We expand the NewCommand arguments to accomodate for stdin and stdout overrides, as well as extra ENV parameters.
Closes #117 (closed)