Add new version to setup.py.

Author: Rafa Rodriguez

setup.py

@@ -14,7 +14,7 @@
 setup(
 
     name='MeaningCloud-python',
-    version='1.2.3',
+    version='2.0.0',
     description='Official Python SDK for MeaningCloud APIs',
     long_description=readme,
     long_description_content_type='text/markdown',