change structure

src/fenrir-package/commands/curr_line.py

@@ -0,0 +1,11 @@
+#!/bin/python
+
+class command():
+    def __init__(self):
+        pass
+    def run(self, environment):
+        pass
+    def setCallback(self, callback)
+        pass
+    def shutdown(self):
+        pass