Minor cleanup. Doesn't change functionality.
Remove project_id parameter requirement.
Fix "no such field" error for custom activity fields.
Make query more restrictive. There's no reason to use left joins here...
Added support for filtering by and returning contact fields. Altered where clause to support cases where no params at all are passed.
Return an index-keyed array instead of an array of objects.
API wrapper for CRM_Volunteer_BAO_Assignment::retrieve.
Merge pull request #55 from fjg-conflux/assignment_bao

Assignment BAO and API