Document RedisResource.
Add documentation for the logging resource.
Standardize resource class docstring formats.
Document the handlers on the HTTP resource.
Fix typo in RedisResource docstring.
Remove double-ticks from references to handle_log.
Add documentation for sandbox resources to Sphinx docs.
Document OutboundResource.
Make OutboundResource send replies like the docs specify it should.
Merge branch 'feature/issue-719-document-sandbox-resource-handler-methods' into develop