Update requirements.txt (#9)

* Update requirements.txt

* bump version

Endpoint auth with hmac (#8)

* up comet-core version, upgrade marshmallow, and up own version to 1.0.8

* use comet-core dev fork for testing

* switch comet-core dependency to bgres fork

* Bump version to 1.0.9 and set comet-core to 1.0.9 in requirements

up comet-core version, upgrade marshmallow, and up own version to 1.0…

….8 (#7)

Updated dependencies

Update docstring for PubSub plugin (#2)

* Update docstring for pubsub plugin

* Bump version to 1.0.5