Update TODO for content encoding.
Decompress gzip streams when reading the body.
Add a proper test and a helpful extension method.
x-gzip is equivalent to gzip.
Read 'deflate' bodies.
Read 'compress' bodies. This includes code from a 3rd-party source.
Include compression among acceptable encodings when receiving.
Update history.
Fix the test.
Merge pull request #57 from izrik/content-encoding

Content encoding