diff --git a/dev.py b/dev.py
index f949c88..fdabef6 100755
--- a/dev.py
+++ b/dev.py
@@ -1,11 +1,26 @@
 #!/usr/bin/env python
 import sys
 
+from flask.ext.script import Manager
+
 from handler import app
 
-if __name__ == '__main__':
+manager = Manager(app)
+
+
+@manager.command
+def run():
 	print app.url_map
-	if 'external' in sys.argv[1:]:
-		app.run(host='0.0.0.0')
-	else:
-		app.run()
+	app.run()
+
+@manager.command
+def runserver():
+	run()
+
+@manager.command
+def external():
+	app.run(host='0.0.0.0')
+	
+
+if __name__ == '__main__':
+	manager.run()
\ No newline at end of file