use _query instead of query, fixes compat with restify
Merge pull request #241 from contra/master

use _query instead of query, closes #203
package: bump `engine.io-parser` to `1.0.3`
Added support for giving a function to engine.io to decide whether a request should be allowed or not when verifying. This is used by socket.io to check for allowed origins.
Made the request verification process async