Supported types

[lidatong]

Adding this as a parent issue, since many new issues / PRs are added asking for support for a specific type / different behavior for a field:

Please see this functionality in the docs and see if it covers your use-case.

This is also a WIP, so you don't have to do the same thing for every field.

In hindsight, I regret introducing any support for extended types past the official ones supported by json -- it would have been better to have a separate extensions module with standard definitions using the override / extension functionality, but the original extended types were incorporated before overriding / extending functionality existed and is a separate point on my own short-sightedness :)

[djmattyg007]

Personally I think it's quite reasonable to provide out-of-the-box support for python stdlib datatypes not already covered by json. I'd be disappointed if this built-in support was removed.