bindings: Register the various enums/flags in python
bindings: Register the various enums/flags in python

cfoch/gst-editing-services,cfoch/ges,cfoch/gst-editing-services,cfoch/ges,cfoch/ges,cfoch/ges,pitivi/gst-editing-services,volodymyrrudyi/gst-editing-services,pitivi/gst-editing-services,volodymyrrudyi/gst-editing-services,volodymyrrudyi/gst-editing-services,cfoch/gst-editing-services,pitivi/gst-editing-services,cfoch/gst-editing-services,pitivi/gst-editing-services