GH #275 - Working on the dispatcher.
Merge branch 'master' into dsuch-t-gh275-add-internal-dispatcher
GH #275 - Making broker message codes more flexible.
GH #275 - Working on candv-based broker messages.
GH #270 - New API, it's called .items, not .sessions, now.
GH #270 - For connections with no definitions, impl is conn itself.
Merge branch 'master' into dsuch-t-gh275-add-internal-dispatcher
GH #275 - Made broker messages use candv.
GH #275 - Renamed module to avoid awkward imports.
GH #275 - Fixed imports.
Merge branch 'dsuch-t-gh275-add-internal-dispatcher'
Merge branch 'master' into dsuch-f-gh118-tls-http-outconns