Fixed release script

release.sh

 	echo "New version number required ($RELEASE_NUM already used)" && exit 1
 
 # Push to PyPi
-:xa
-
-
-
 ./setup.py sdist upload
 
 # Tag in Git
 git tag $RELEASE_NUM -m "Tagging release $RELEASE_NUM"
-git push --tags
+git push --tags
+git push