fix compiler error

listen: check uv resource types.

poll: checks uv resource type

httpparser: use uppercase keys

common: zval_to_fd macro should be return FALSE

stdio: fix unmatch cast

spawn: remove unused variable

httpparser: fix it

httpparser: try to fix inconsistent hash

httpparser: fix inconsistent hash

spawn: fix segv

httpparser: result variable only update when parser finished.

fs_poll: check resource type

process: add type check for uv_process_kill

tcp: check types

tty: add type check

tty: don't raise E_ERROR

constants: add several error codes. and add simple(?) http server example

spawn: fix memory leak when using file descriptor

spawn: opitons accepts uid and gid

docs: add uv_stdio_new function

test: fix test case for uv_spawn

spawn: change function signature. add uv_stdio_new function

docs: don't put docs into source code. too long

uv_fs: don't raise E_ERROR