refractor capture to a module

src/orisys/__init__.py

@@ -13,6 +13,7 @@ from . import util
 from . import configs
 from . import finger
 from . import signal_processing
+from . import capture
 from .frame_processors import FFCFrameProcessor
 
 CompoundEyeSensor = Sensor
@@ -37,6 +38,9 @@ __all__ = [
     # signal helpers
     'signal_processing',
 
+    # capture helpers
+    'capture',
+
     # configs utilities functions
     'list_config', 
     'export_config',