Implemented X3IO.LoadScene() method.
Implemented X3_RenderScene() method.
Added support for scales.
Added relevant properties to X3Camera class.
X3IO.LoadScene now configures default camera if none are defined.
X3Model.Clone() now also clones the scale of the model.
X3_RenderScene now uses active camera for rendering.
Implemented X3Camera.DollyIn() and X3Camera.DollyOut() methods.
Implemented X3Camera.PedestalUp() and X3Camera.PedestalDown() methods.
Implemented methods for X3Camera actions.
Implemented methods for X3Camera actions.
Current active camera can now be controlled with mouse.
Chagned "All file types" to "All files".
Chagned "All file types" to "All files".