exc4l

Writing to collection destroys tags

14

MWE: ```python col = Collection(user='testing') notes = col.notes selection = notes[notes.has_tag("leech")] #selection = selection.add_tag(["marked"]) col.notes.update(selection) col.write(modify=True) ``` col.summarize_changes() for this: ``` ======== notes ======== Total rows: 10347 Compared to original...