update version in setup.py

Author: Reagen

setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name='Metallicity_Stack_Commons',
-    version='1.4.6',
+    version='1.4.7',
     packages=['Metallicity_Stack_Commons'],
     url='https://github.com/astrochun/Metallicity_Stack_Commons',
     license='MIT License',