Added yaml output support. Python 3.x porting

Author: mahtin

cli4/__main__.py

@@ -1,14 +1,16 @@
 #!/usr/bin/env python
+"""CloudFlare API via command line"""
 
 import sys
 
 from cli4 import cli4
 
 def main(args=None):
-	if args is None:
-		args = sys.argv[1:]
-	cli4(args)
+    """CloudFlare API via command line"""
+    if args is None:
+        args = sys.argv[1:]
+    cli4(args)
 
 if __name__ == '__main__':
-	main()
+    main()