Merge pull request #12 from quamotion/fixes/optional-arguments

...vTools/Protocol/iOS/Runtime/InternalPropertyDescriptor.cs

source/ChromeDevTools/Protocol/iOS/Runtime/ObjectPreview.cs

...romeDevTools/Protocol/iOS/Runtime/ParseCommandResponse.cs

...ChromeDevTools/Protocol/iOS/Runtime/PropertyDescriptor.cs

...ce/ChromeDevTools/Protocol/iOS/Runtime/PropertyPreview.cs

source/ChromeDevTools/Protocol/iOS/Runtime/RemoteObject.cs

.../ChromeDevTools/Protocol/iOS/Runtime/SaveResultCommand.cs

...evTools/Protocol/iOS/Runtime/SaveResultCommandResponse.cs

...romeDevTools/Protocol/iOS/Runtime/StructureDescription.cs

...ce/ChromeDevTools/Protocol/iOS/Runtime/TypeDescription.cs

source/ChromeDevTools/Protocol/iOS/Timeline/CPUProfile.cs

...ce/ChromeDevTools/Protocol/iOS/Timeline/CPUProfileNode.cs

...hromeDevTools/Protocol/iOS/Timeline/EventRecordedEvent.cs

...meDevTools/Protocol/iOS/Timeline/RecordingStartedEvent.cs

...meDevTools/Protocol/iOS/Timeline/RecordingStoppedEvent.cs

source/ChromeDevTools/Protocol/iOS/Timeline/StartCommand.cs

source/ChromeDevTools/Protocol/iOS/Timeline/TimelineEvent.cs

...vTools/Protocol/iOS/Worker/DisconnectedFromWorkerEvent.cs

...ols/Protocol/iOS/Worker/DispatchMessageFromWorkerEvent.cs

.../ChromeDevTools/Protocol/iOS/Worker/WorkerCreatedEvent.cs