adding utf8 encoding to the readme read in setup (#23)

* adding utf8 encoding to the readme read in setup

* bumped version

Author: Aaron Gonzales

setup.py

@@ -4,10 +4,10 @@
       description="Wrapper for Twitter's Premium and Enterprise search APIs",
       url='https://github.com/twitterdev/search-tweets-python',
       author='Fiona Pigott, Jeff Kolb, Josh Montague, Aaron Gonzales',
-      long_description=open('README.rst', 'r').read(),
+      long_description=open('README.rst', 'r', encoding="utf-8").read(),
       author_email='agonzales@twitter.com',
       license='MIT',
-      version='1.3.0',
+      version='1.3.1',
       python_requires='>=3.3',
       install_requires=["requests", "tweet_parser", "pyyaml"],
       packages=find_packages(),