created tab injection of _shroudTab
primary application insfrastructure refactor
inter-module messaging infrastructure development
primary application development: messaging, shroudtab creation, shroud halt
intermodule messaging development: shroud tab management
intermodule messaging development: shroudtab reporting channel to shroudpopup
primary module messaging development: shroud reporting channel to shroudpopup
intermodule messaging infrastructure development: edge cases for messaging
primary application development: _shroud.initialize() and .create() refactor
added query/engine data