Python snippets update.

bundle/snipmate/snippets/python.snippets

@@ -1,6 +1,9 @@
-snippet #!
+snippet env
 	#!/usr/bin/env python
 
+snippet enc
+	# -*- coding: utf-8 -*-
+
 snippet imp
 	import ${1:module}
 # Module Docstring
@@ -17,7 +20,7 @@ snippet for
 	for ${1:needle} in ${2:haystack}:
 		${3:# code...}
 # New Class
-snippet cl
+snippet class
 	class ${1:ClassName}(${2:object}):
 		"""${3:docstring for $1}"""
 		def __init__(self, ${4:arg}):