Return the error code from most commands, rather than swallowing it. Adapted the example (lying slightly about the string printed by login()).
Return the error code from most commands, rather than swallowing it.
Adapted the example (lying slightly about the string printed by
login()).

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator