LobbyQuery Numerical Filters, NearValFilter, SteamClient and Friend OwnsLobby methods Added LobbyQuery numerical filters for WithLower, WithHigher, WithEqual, and WithNotEqual; added OrderByNear for near value filters. Added OwnsLobby method to SteamClient and Friend to test for ownership. Update LobbyQuery.cs NumericalFilter struct and suggested changes Added NumericalFilter struct, changed the dictionary for numerical filters into a list of the struct, removed IsOwner from Friend and SteamClient and added IsOwnedBy( SteamId ) to Lobby Update LobbyQuery.cs Update NumericalFilter.cs Removed unnecessary using statements Merge pull request #278 from thesupersoup/master LobbyQuery Numerical and NearVal Filters, SteamClient and Friend OwnsLobby