bump to version 1.3

Author: benoitguigal

setup.py

@@ -3,7 +3,7 @@
 from setuptools import setup
 
 setup(name="python_epson_printer",
-      version="1.2",
+      version="1.3",
       description="A library to control Epson thermal printers based on ESC/POS language",
       url="https://github.com/benoitguigal/python-epson-printer",
       author="benoitguigal",