2.0

not sure why -15 is passed to zlib.decompress() as windows size, causing lots of error in log in GAE

Traceback (most recent call last):
File "/python27_runtime/python27_lib/versions/1/google/appengine/runtime/wsgi.py", line 224, in Handle
for chunk in result:
File "/base/data/home/apps/s~goagentxxxxx/1.23652873562873566868/wsgi.py", line 153, in gae_application
payload = zlib.decompress(payload, -15)
error: Error -3 while decompressing data: invalid code lengths set

multiple zlib.decompress() found in the source, fixed all of them.