Don't set chunked in `update_content_encoding`.
Remove a use of magic number 8196 in `update_body_from_data`.
Don't set chunked in `update_body_from_data`.
Detect conflicting options about chunked.
Don't set `CONTENT-LENGTH` outside `update_transfer_encoding`.
Checking if HttpVersion10 and chunked are used at the same time.
fix #126: File uploading now respect chunked option.
Add myself to contributors list.