Implement Rot.set_ext_func()

bindings/python/test_rot.py

@@ -68,6 +68,7 @@ class TestClass:
         assert rot.park() is None
         assert rot.reset(Hamlib.ROT_RESET_ALL) is None
 
+        assert rot.set_ext_func(0, 0) is None
         assert rot.set_ext_level(0, value) is None
 
         status = 0

bindings/rotator.swg

@@ -89,6 +89,7 @@ typedef struct Rot {
 	ROTMETHOD0(open)
 	ROTMETHOD0(close)
 
+	ROTMETHOD2(set_ext_func, hamlib_token_t, int)
 	ROTMETHOD2(set_ext_level, hamlib_token_t, value_t)
 
 	ROTMETHOD2(set_func, setting_t, int)