Bump version from 0.9.8 to 0.9.9

Author: AshLeigh-Fraxinus

setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name="whatsapp-chatbot-python",
-    version="0.9.8",
+    version="0.9.9",
     description=(
         "This library helps you easily create"
         " a Python chatbot with WhatsApp API."