Update reactor thread error message.
Merge pull request #152 from GXhua/master

fix and dynamic task real
add fin

add fin
update super global var
debug global
global
Fixed header_length not computed correctly
Added PATCH http verb support
Merge branch 'master' of github.com:swoole/swoole-src
Fixed sendfile offest error.
Refactor socket async write.
update reactor_add
Refactor reactor->write
Merge pull request #153 from bixuehujin/improve_http

Improvements for http protocol