Fixed compile error
Fixed valgrind complain
promote modsecurity_handler from CONTENT_PHASE to PREACCESS_PHASE, so that we can process and pass request to backend without internal redirect.
change CRLF to LF
Added 'ngx_modsecurity_write_body_cb' so that NGINX can deal with STREAM_INPUT_BODY
Fixed content length error
Fixed hang up when post multiple request
Merge pull request #27 from chaizhenhua/read_client_request_body

remove Nginx ModSecurityPass command