Expose missing functions

handel/interface.py

@@ -20,7 +20,9 @@ __all__ = ['init', 'init_handel', 'exit',
            'is_channel_running', 'is_running',
            'get_module_statistics', 'get_statistics',
            'get_buffer_length', 'get_raw_buffer', 'get_buffer',
-           'is_buffer_full', 'set_buffer_done',
+           'is_buffer_full', 'is_overrun', 'set_buffer_done',
+           'get_current_pixel',
+           'get_baseline_length', 'get_baseline',
            'load_system', 'save_system', 'start_system',
            'enable_log_output', 'disable_log_output',
            'set_log_output', 'set_log_level', 'close_log',