Adding comment inviting a future person to help use bumpversion

scripts/bump_version

@@ -9,7 +9,12 @@ main() {
     grep version= setup.py
     return 1
   fi
+
+  # TODO: replace this with the bumpversion pip package, I couldn't
+  # figure out how to use that for these files
   sed -i '' "s/version=.*$/version='${version}',/g" setup.py
+  sed -i '' "s/__version__ = .*$/__version__ = '${version}',/g" moto/__init__.py
+
   git checkout -b version-${version}
   # Commit the new version
   git commit setup.py -m "bumping to version ${version}"