Update setup.py (build and deploy docs)

Author: wannaphong

setup.py

@@ -63,7 +63,7 @@
 
 setup(
     name="pythainlp",
-    version="2.1.dev6",
+    version="2.1.dev7",
     description="Thai Natural Language Processing library",
     long_description=readme,
     long_description_content_type="text/markdown",