v0.1.2933

Changelog

1cf5bcf Merge pull request #142 from CircleCI-Public/error-messages
a3f92e0 Fix tests for IsDevVersion due to change from bool to error return
0fe3fc2 Use gometalinter docker image now that it's updated (#57)
d615cdf Better wording for listing orbs without a version.
a257458 Making result text of increment clearer.
65a68f5 Adding example to increment.
d00a800 Updating orb promote completion text.
07a38f0 Adding an example to orb publish promote.
03edb69 Listing unpublished versions orbs in a given namespace.
298b58e Improve error messages