Fixed Opml::VERSION
Add .gitignore
Add dependency a ActiveSupport to gemspec
Fixed Opml::Outline#flatten
Merge pull request #2 from ykzts/feature/add-gitignore

Add .gitignore
Merge pull request #3 from ykzts/hotfix/add-dependency-activesupport

Add dependency a ActiveSupport to gemspec
Merge pull request #1 from ykzts/hotfix/override-module-class

Fixed Opml::VERSION
Merge pull request #4 from ykzts/hotfix/outline-flatten

Fixed Opml::Outline#flatten
Add .travis.yml
Merge branch 'travis'