Updated bindings in __main__.

rtv/__main__.py

@@ -45,7 +45,10 @@ def main():
     config = Config()
     config.update(**fargs)
     config.update(**args)
-    config.keymap.update(**bindings)
+
+    # If key bindings are supplied in the config file, overwrite the defaults
+    if bindings:
+        config.keymap.set_bindings(bindings)
 
     # Copy the default config file and quit
     if config['copy_config']:

rtv/objects.py

@@ -610,6 +610,7 @@ class KeyMap(object):
     """
 
     def __init__(self, bindings):
+        self._keymap = None
         self.set_bindings(bindings)
 
     def set_bindings(self, bindings):