Add Mandel::Collection::save()
Fix: I meant carp, not croak
Add Mandel::Document::contains()
Add Mandel::connect, ::model_class, ::storage

  - Add builders for attributes, which makes it easier to customize in
    subclass
  - Remove Mandel::uri()
  - Remove Mandel::mango()
  - Rename Mande::_mango_collection to ::_collection
Add support for custom base class for documents
I like confess
Released version 0.02

       * Add Mandel::Collection::save()
       * Add Mandel::Document::contains()
       * Add Mandel::connect(), remove ::uri()
       * Add Mandel::model_class()
       * Add Mandel::storage(), remove ::mango()
       * Add builders for attributes, which makes it easier to customize in
         subclass.
       * Add support for custom base class for documents