* Allow both -output and -output-style parameters (output-style applies to output now) + add csv output style
* Implement the ```-level``` parameter
* Add support for R4B validation
* fix bug in deep profiles (profiles that don't start at the root)
## Other code changes
* Regenerate R5 code for 5.0.0-snapshot1 & many consequential changes
* Add version support for R4B and R5 (R4B code generation still to be done)