Fixing issue with non-ASCII characters in README.rst

Author: Karthic Hariharan

example.py

@@ -41,4 +41,4 @@
 
 ach_file.add_batch('PPD', entries, credits=True, debits=True)
 
-print ach_file.render_to_string()
+print(ach_file.render_to_string())

setup.py

@@ -1,4 +1,7 @@
 from distutils.core import setup
+import codecs
+
+readme = codecs.open('README.rst', encoding='utf-8').read()
 
 setup(
     name='ach',
@@ -11,5 +14,5 @@
     url='https://github.com/travishathaway/python-ach',
     license='MIT License',
     description='Library to create and parse ACH files (NACHA)',
-    long_description=open('README.rst').read(),
+    long_description=readme,
 )