Update setup.py (#62)

Author: xhluca

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="dl-translate",
-    version="0.3.0",
+    version="0.3.1",
     author="Xing Han Lu",
     author_email="github@xinghanlu.com",
     description="A deep learning-based translation library built on Huggingface transformers",