gem-compare of several bundler versions

gistfile1.sh

gem install gem-compare
gem compare bundler 1.7.4 1.7.5 1.7.6 1.7.7
Fetching: bundler-1.7.4.gem (100%)
Fetching: bundler-1.7.5.gem (100%)
Fetching: bundler-1.7.6.gem (100%)
Fetching: bundler-1.7.7.gem (100%)
Compared versions: ["1.7.4", "1.7.5", "1.7.6", "1.7.7"]
  DIFFERENT date:
    1.7.4: 2014-10-20 00:00:00 UTC
    1.7.5: 2014-11-11 00:00:00 UTC
    1.7.6: 2014-11-12 00:00:00 UTC
    1.7.7: 2014-11-21 00:00:00 UTC
  DIFFERENT rubygems_version:
    1.7.4: 2.4.1
    1.7.5: 2.2.2
    1.7.6: 2.2.2
    1.7.7: 2.2.2
  DIFFERENT version:
    1.7.4: 1.7.4
    1.7.5: 1.7.5
    1.7.6: 1.7.6
    1.7.7: 1.7.7
  DIFFERENT files:
    1.7.4->1.7.5:
      * Added:
            lib/bundler/ssl_certs/AddTrustExternalCARoot.pem
            lib/bundler/ssl_certs/COMODORSACertificationAuthority.pem
            lib/bundler/ssl_certs/COMODORSADomainValidationSecureServer.pem
      * Changed:
            CHANGELOG.md +7/-0
            Rakefile +1/-1
            bundler.gemspec +1/-0
            lib/bundler/definition.rb +16/-21
            lib/bundler/man/bundle +1/-1
            lib/bundler/man/bundle-config +1/-1
            lib/bundler/man/bundle-config.txt +1/-1
            lib/bundler/man/bundle-install +1/-1
            lib/bundler/man/bundle-install.txt +1/-1
            lib/bundler/man/bundle-update +1/-1
            lib/bundler/man/bundle-update.txt +1/-1
            lib/bundler/man/bundle.txt +1/-1
            lib/bundler/man/gemfile.5 +1/-1
            lib/bundler/man/gemfile.5.txt +1/-1
            lib/bundler/ssl_certs/certificate_manager.rb +4/-2
            lib/bundler/version.rb +1/-1
            spec/bundler/gem_helper_spec.rb +2/-1
            spec/install/gems/sources_spec.rb +1/-0
            spec/realworld/parallel_spec.rb +1/-1
    1.7.5->1.7.6:
      * Deleted:
            lib/bundler/ssl_certs/COMODORSACertificationAuthority.pem
            lib/bundler/ssl_certs/COMODORSADomainValidationSecureServer.pem
      * Added:
            lib/bundler/ssl_certs/AddTrustExternalCARoot-2048.pem
      * Changed:
            CHANGELOG.md +6/-0
            Rakefile +1/-1
            lib/bundler/ssl_certs/certificate_manager.rb +25/-3
            lib/bundler/version.rb +1/-1
            spec/other/ssl_cert_spec.rb +14/-1
            spec/spec_helper.rb +6/-0
    1.7.6->1.7.7:
      * Changed:
            CHANGELOG.md +8/-0
            lib/bundler.rb +4/-5
            lib/bundler/fetcher.rb +1/-1
            lib/bundler/rubygems_integration.rb +1/-1
            lib/bundler/settings.rb +5/-2
            lib/bundler/shared_helpers.rb +10/-16
            lib/bundler/source/git.rb +1/-1
            lib/bundler/source/path.rb +10/-7
            lib/bundler/version.rb +1/-1
            spec/commands/config_spec.rb +15/-1
            spec/spec_helper.rb +1/-5
  DIFFERENT test_files:
    1.7.4->1.7.5:
      * Changed:
            spec/bundler/gem_helper_spec.rb +2/-1
            spec/install/gems/sources_spec.rb +1/-0
            spec/realworld/parallel_spec.rb +1/-1
    1.7.5->1.7.6:
      * Changed:
            spec/other/ssl_cert_spec.rb +14/-1
            spec/spec_helper.rb +6/-0
    1.7.6->1.7.7:
      * Changed:
            spec/commands/config_spec.rb +15/-1
            spec/spec_helper.rb +1/-5
  DIFFERENT development dependencies:
    1.7.4->1.7.5:
      * Added:
            mustache ["= 0.99.6"] (development)