-> test/connection.rb
use the #dump as given by StorageBase
adapt to latest :update_rev specification
fix rempove_process (vs schedules)
avoiding fatal deadlocks

seems to work fine
Storage #close and #shutdown: close Mongo conn
2.3.0 (not 2.2.1)
deal with BSON keys with $ and/or .

Latest BSON drivers (1.7.0) reject them categorically, had to adapt.
Though I'm still guilty of not having RTFM beforehand to avoid the issue now.
fix issue with trailing comma (not 1.8.x friendly)
simplify deep_mutate (one cycle instead of two)
use vertical tilde along with ogonek

to escape initial '$' and contained '.'
implement Storage#by_participant(type, pname, opts)
implement Storage#by_field(type, key, value)
implement Storage#query_workitems(query)
dry workitem query methods
refine query workitem method implementations
release 2.3.0
deprecate rake upload_rdoc
widen ruote dependency (allow for subpatch)
use rekey instead of Ruote.deep_mutate