Bump version number.

Signed-off-by: Daira Hopwood <[email protected]>

Author: daira

libmodernize/__init__.py

@@ -5,7 +5,7 @@
 from lib2to3.pygram import python_symbols as syms
 from lib2to3.pgen2 import token
 
-__version__ = '0.3'
+__version__ = '0.4'
 
 def check_future_import(node):
     """If this is a future import, return set of symbols that are imported,