Initialize project.
Add ignore list.
Update test database schema and seed.
Update schema.
Remove 'nested sets' code.
Fix test data.
Complete 'asRoot' and 'isRoot' methods and test cases.
Complete 'children' and 'addChild' methods and test cases.
Add rules.
Replace 'children' method with '__get' method.
Add more asserts.
Fix namespace of test case.
Complete 'parent' method and test cases.
Merge branch 'master' of github.com:jaceju/goez-tree-data