Added method to distinguish Instrument creations vs GatewayInstrument creations
Added init to "test_memory" session
Handle multiple SupportedInstrumentAck messages gracefully
Debugging Trade persistence to database
Debugged Trade persistence
Added APIBroker message subscription to LogOnMessage
Removed debug statement
Removed handling of non-existent signals
Added trade_time_parse method
Changed APIBroker token to allow parallel testing
Updated logging settings