Finish Owner Relationship, update races and add first helpers for derived values. Update naming

Stars Assistant/CSV/Planet.cs

@@ -240,7 +240,7 @@ public class Planet
         if (dbPlanet.Name != Name)
             throw new InvalidOperationException($"DB Planet Name {dbPlanet.Name} does not macth the CSV Planet Name {Name}");
 
-        dbPlanet.Owner = Owner;
+        dbPlanet.OwnerId = Owner != "" ? Owner : null;
         dbPlanet.StarbaseType = StarbaseType;
         dbPlanet.ReportAge = ReportAge;
         dbPlanet.Population = Population;