Add a context to keep the model and model_id.
Change the domain filter with the new field
[ADD] Add a new field function
This new function allows to get the related documents with
the model and the model_id.
We add this new field because the domain in the view or in the js
doesn't match the wanted result
[UPD] Add missing comma
[ADD] Add unittests
create():
Avoid duplicating data locally
Fix boolean comparison problem
Use name_get rather than name field
unlink():
Use more specific context identifiers
Remove redundant loop and if statement
model:
Add ondelete='cascade'
