Added a utility decorator for method copying.
Added a test for neo4django.auth.
Added a test for basic ModelForm support (#135).
Added docs for authentication against Neo4j.

Closes #147.
Cleaned up the query docs (formatting & clarity).
Up'd reg_settings to reflect the ModelForm test.
Included a case for bound forms in test_modelform.
Tidying doc line formatting.
Basic support for ModelForms (#135).

Still working to support `Relationship`s in forms.
Up'd Travis to test against Neo4j 1.9.M05.
Added internal auto-pagination for queries.

This prevents eg Person.objects.all() from loading 10k people objects
into memory at once.
Adjusted the relationship tests to agree with...

the QuerySet API.
Unified model and relationship querysets.
Removed the old commented relationship queryset.

Closes #141.
Added a database-side NodeQuerySet.delete().

Closes #79.
Strengthened a test to confirm #150 - issues..

saving with unique properties.
Closes #150 (issues with saving unique props).
Removed DateTimeTZProperty in favor or handling..

timezones like Django's DateTimeField.
Removed the queryset pre-delete signal tests, ...

since #79 renders them invalid.
Corrected the `rel_single` option...

to `related_single` in the docs.