Update reactor thread error message.
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
$_REQUEST
set global_val request_val
edit http_server examples
swoole_set_process_name alias swoole_process->name
fix pool->worker do not need free.
Added more connection state fields.
Update swoole_process->write use reactor->write
remove duplicate code.
fix type error.
refactor async write.
refactor swConnection.