changed version for new release

Author: dyumanaditya

setup.py

@@ -8,7 +8,7 @@
 
 setup(
     name='pyreason',
-    version='1.8.8',
+    version='1.8.9',
     author='Dyuman Aditya',
     author_email='[email protected]',
     description='An explainable inference software supporting annotated, real valued, graph based and temporal logic',