Only use the token queue for fields we really can't parse immediately (#628)
Only use the token queue for fields we really can't parse immediately (#628)

* Only use the token queue for fields we really can't parse immediately

Signed-off-by: Markus Thömmes <d19e0d57c6ca20d23ad78646c7834a3545415400@me.com>

* Simplify and document

Signed-off-by: Markus Thömmes <d19e0d57c6ca20d23ad78646c7834a3545415400@me.com>

* Cleanups

Signed-off-by: Markus Thömmes <d19e0d57c6ca20d23ad78646c7834a3545415400@me.com>
cloudevents/sdk-go,cloudevents/sdk-go