Allows calls to feature extractors from within feature extractors
Allows calls to feature extractors from within feature extractors


Former-commit-id: 5481368b8069c6a621d299598ac34325357dd9a7
mcanthony/meyda,eriser/meyda,meyda/meyda,meyda/meyda,EQ4/meyda,meyda/meyda,hughrawlinson/meyda,eriser/meyda