* Support "SQL" settings in addition to MSSQL
- Handles having 2 separate configuration definitions and merging / treating them as 1 throughout the app
- If a settings group such as Intellisense is defined on mssql, it will override any generic SQL properties
- Retains backwards compatibility with existing settings.
* Enable IntelliSense settings
* Fix up some bugs in the IntelliSense settings.
* Code cleans for PR
* Fix a couple exceptions that are breaks query execute and intellisense.
* Add useLowerCase flag and settings tests