Merge branch 'release/v0.4.2'
CHANGELOG: Removed notice about YAML engine being changed to Psych
Merge branch 'release/v0.4.3'
Merge branch 'release/v0.4.3.1'
Merge branch 'release/v0.4.3.2'
Merge branch 'release/v0.4.4'
Merge branch 'release/v0.4.5'
Merge branch 'release/v0.4.5.1'
Merge branch 'release/v0.4.5.2'
Merge branch 'release/v0.4.6'
Bumped version to 0.4.7
Gemfile: Use HTTPS
Merge branch 'master' into release/v0.4.7
Merge branch 'release/v0.4.7' into experimental