0.10
====
- Context prop for Update Hub sort

- Remove temporal security hole with speciying guid in POST,
  it was added as a fast hack to support offline creation (with later pushing to a node)
- changed pulls should take into account accept_length
- increase granularity for sync.chunked_encode()
- slave._Pooler might leak events if pullers are not in time to call wait()
- sync node->local db sync
- parse command while uploading impls; while parsing, take into accoun quotes
- secure node-to-node offline sync

v2.0
====
- Pools topics
- proxying as a tool to sort out downstream content
  * client db is a special case of proxying
  * easy proxying from any client, e.g., from a classroom teacher
- sort out contexts by targeting auditory
  * students of ages from..to
  * educators
  * students w/ disabilities
  * etc
- sort out contexts by school subjects
- handle forks