Remove use of deprecated features in bundled modules.
Prepare for 0.18.0 release. The development is now considered to be targeting 0.19.0.
Bump deprecation level and remove version suffix for 0.18.0.
Fix deprecated code in epm.
Fix deprecated code in readline-bindings
Bump default deprecation level for 0.17.x releases.
Set VersionSuffix to empty for release branch.
Bump buildinfo.Version to 0.16.3