GH #110 - There can be no audit for 404s
GH #124 - Made HTTP/SOAP data table consistent across all the sources
GH #126 - Working on SIO refactoring
GH closes #124 - serialize JSON in HTTP outconn
Merge branch 'dsuch/f/gh124-json-serialize-http-outconn'
Return an empty string if there is no actual payload
Fixed comment and AttributeError (odb worker_store)
Don't assume 'async' always exists - it's an optional element