prevent faulty SQL statement when #siblings is called on an unsaved record
Merge pull request #52 from garygreyling/fix_siblings_for_unsaved_models

prevent faulty SQL statement when #siblings is called on an unsaved records
.roots respects :order now
prepare for 3.10.2
fix tests to nuke_db before :each
create the second root by hand so we can explicitly set the sort order
how 'bout 6?
just run parallel tests
fix rspec-rails with 2.13.1
Merge branch 'master' into travis_is_slow
revert
added version badge
Fix #56 - Avoid loading the ancestor and descendant in the hierarchy model equals method.
Merge pull request #57 from salsify/issue-56

Fix #56 - Avoid loading the ancestor and descendant in the hierarchy model equals method.
Merge branch 'master' of github.com:mceachen/closure_tree
pollution detection
pollution detection
no moar pollution detection
4.0.0.yolo
self_and_siblings cleanup