Test project update
Commented on test_appropriate_field_on_modelform_with_formfield_callback
Support Meta.exclude, test that the right autocomplete is used by fields
Support Meta.fields
Ensure that tuple user-specified Meta.exclude should work too
Test registering autocompletes on the fly
Fixed dead variable name in AutocompleteFieldMixin
Mention RFC in comment
Fixed wrong attribute name in generic autocomplete of basic app
Make search_fields automatic based on a setting, fixed AutocompleteGeneric tests