Merge pull request #57 from switowski/requirements_python-twitter_upgrade

installation: pip requirements version update

Author: ludmilamarian

requirements.txt

@@ -14,7 +14,7 @@ https://py-editdist.googlecode.com/files/py-editdist-0.3.tar.gz
 feedparser==5.1.3
 BeautifulSoup==3.2.1
 beautifulsoup4==4.1.3
-python-twitter==0.8.7
+python-twitter==2.0
 msgpack-python==0.3.0
 pyparsing==1.5.6
 requests==2.2.0