fix rate limit headers - were ints/floats need to be strings Running under gunicorn rest requests were crashing. Not all of the values for the rate limit headers were strings. Some were numbers. This caused the header generation for wsgi to fail. Now the values are all strings.

#!/usr/bin/env python
from __future__ import print_function
import zlib, base64, sys
print(base64.encodestring(zlib.compress(sys.stdin.read())))