GH-165: bump Flair version number

Author: aakbik

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name='flair',
-    version='0.3.0',
+    version='0.3.1',
     description='A very simple framework for state-of-the-art NLP',
     long_description=open("README.md", encoding='utf-8').read(),
     long_description_content_type="text/markdown",