uses djangos import_by_path method
removed unnecessary patch
changed set_spec to spec_set
Merge pull request #7 from wesleykendall/develop

uses djangos import_by_path method
fixed error related to handling deletions of multiple objects
Merge pull request #8 from wesleykendall/develop

fixed error related to handling deletions of multiple objects
Merge pull request #9 from ambitioninc/develop

fixed error related to handling deletions of multiple objects