Set market type as enum
Merge branch 'develop' of https://github.com/thomas-barthelemy/OpenBook.NET into develop
base + marketresult explode
Exploded User AdditionalDataResult models
Exploded FeaturedSymbols models.
Exploded Ranking models
Exploded result models into separate classes in respective namesapaces
Renamed sub-models to match property whenever possible.
Updated assembly version to 0.3.0