lazychaser/laravel4-nestedset — pull request #11 by AppSynergy (2014-06-10 18:16:44+00:00)
Title: Update README.markdown

Either nullableTimestamps(), or add created, updated timestamps to createRoot.
Otherwise liable to throw:
````
[Illuminate\Database\QueryException]
SQLSTATE[23000]: Integrity constraint violation: 19 categories.created_at m
ay not be NULL
````
disregard if it's just my database setup (sqlite)