Update version

Author: HaarigerHarald

setup.py

@@ -93,7 +93,7 @@ def build_extension(self, ext):
 
 setup(
     name="geant4_pybind",
-    version="0.1.0b4",
+    version="0.1.0b5",
     author="Benjamin H.",
     author_email="haarigerharald@gmx.at",
     description="Alternative python bindings for Geant4 via pybind11",