Added Collection kwargs that need to be passed to Cursor in find(). Noticed this when read_preferences were not being transferred to Cursor from Collection when using .collection instead of Document.
Added Collection kwargs that need to be passed to Cursor in find(). Noticed this when read_preferences were not being transferred to Cursor from Collection when using .collection instead of Document.

aquavitae/mongokit-py3,goanpeca/mongokit,wshcdr/mongokit,namlook/mongokit