Bump version to 0.8.4 in setup.py

Author: Buba98

setup.py

@@ -5,7 +5,7 @@
 
 setup(
     name='regex_enumerator',
-    version='0.8.2',
+    version='0.8.4',
     packages=find_packages(include=['regex_enumerator', 'regex_enumerator.*']),
     description='Enumerate all strings that match a given regex',
     author='Vincenzo Greco',