Tagging v10.4.2.
Tagging v10.4.1.
Tagging v10.4.0.
Tagging v10.3.2.
Tagging v10.3.1.
Tagging v10.3.0.
Add ruby#267 to History
Remove Gemfile from Manifest
Set release version and date
Fix version in History Reported by @davidcelis