Merge pull request #239 from forumbyr/master

fix bug:concurrent query count error
Merge pull request #241 from forumbyr/master

fix bug:concurrent query count error
add conformance from db
Merge commit '554a45dfca926d791bc72bfd4f8f304670dbdc6a' into dev
Merge pull request #242 from wade1012/dev

Dev Wade
Merge pull request #244 from forumbyr/master

fix bug:search xn--* should be valid;
add conformance test
Merge commit '628e03e00bdcedc525a85978e8ab129b79fb9766' into dev
modify conformance
Merge pull request #245 from wade1012/dev

Dev Wade
modify utf8
modify utf8
Merge pull request #246 from wade1012/dev

Dev Wade
fix bug: invalid media type return 415.