Increment minor version to 1.3

autoflake.py

diff --git a/autoflake.py b/autoflake.py
index 443768a..f821d29 100755
--- a/autoflake.py
+++ b/autoflake.py
@@ -43,7 +43,7 @@
 import pyflakes.reporter
 
 
-__version__ = '1.2'
+__version__ = '1.3'
 
 
 ATOMS = frozenset([tokenize.NAME, tokenize.NUMBER, tokenize.STRING])