Query operator methods can match Python's builtin operator module

[Jaymon]

https://docs.python.org/3/library/operator.html

The big ones are in would become contains (and I would add in_), we already have a contains but that could be repurposed.

The methods would be:

• lt
• le
• eq
• ne
• ge
• gt
• not_
• and_
• or_
• in_
• contains