move from doujiang24 

bytes_sent 

add ngx_http_lua_ffi_util.c 

lua_bodyfilter: add arg[3] for length of data 

doc: bumped version to 0.10.7. 

doc: bumped version to 0.10.6. 

bugfix: *_by_lua_file: did not support absolute file paths on non-UNI… …X systems like Win32. thanks Someguynamedpie for the report and the original patch in openresty#835.

skipped check leak mode for two test cases using malformed requests. 

doc: bumped version to 0.10.5. 

doc: bumped version to 0.10.4.