Add a test of interaction between &amp; and extra replacements. Remove extra noise from the output when there are no errors, and say more in the exception when there are errors.
Add a test of interaction between &amp; and extra replacements.
Remove extra noise from the output when there are no errors, and say more
in the exception when there are errors.

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