fix bug: shutdown server unexcepted.
Merge pull request #491 from forumbyr/master

fix bug: shutdown server unexcepted.
add 501 response
edit comments
refactor add 501 response
Merge pull request #497 from yqz1016/dev

add 501 response
add validator.
refactor: query by ip - add IpInBytes.
Merge pull request #498 from forumbyr/master

refactor: refine query process
rename the properties to notImplementedUri
Merge pull request #499 from yqz1016/dev

rename the properties to notImplementedUri
Merge pull request #26 from cnnic/dev

merge from cnnic
fix bug: help query.
Merge pull request #501 from forumbyr/master

fix bug: help query.
refactor package.
Delete proxy43_access.log
Merge pull request #502 from forumbyr/master

refactor package.
add comments to notImplementedUri property
Merge pull request #503 from yqz1016/dev

add comments to notImplementedUri property
Merge pull request #27 from cnnic/dev

merge from cnnic