Revision 1378921

This is part of the fix for CVE-2012-3544
More chunked encoding improvements
- Expand unit tests for chunked encoding
- Fix a parsing error at eol when multiple headers are present (regression in r1378702)
- Make parsing of terminating CRLF non-tolerant (RFC2616 only suggests to be tolerant of LF at the end of headers)
- Revert previous unnecessary change to SimpleHttpClient