Refactor
Refactor more
Refactor more and add UPGRADE guide and CHANGELOG
Increment version
Refactor NestedSet
Use unsigned integers for lft and rgt
Add hasMoved() and save in transaction
Update docs
Allow to create a tree from array
Set parent relation on children when converting to tree
Fix typos
Change install version
Fix incompatibilities
Merge pull request #12 from lazychaser/develop

Version 2.0