start with the integration of an Operator class to make way for precedences

jedi/parser/tokenize.py

@@ -6,7 +6,8 @@ if the indentation is not right. The fast parser of jedi however requires
 "wrong" indentation.
 
 Basically this is a stripped down version of the standard library module, so
-you can read the documentation there.
+you can read the documentation there. Additionally we included some speed and
+memory optimizations, here.
 """
 from __future__ import absolute_import