Merge pull request #1 from Shinmera/master

Expose binding address through RUN.
Fix a bug that :raw-body wan't passed to *app*.
Optimize 'canonicalize-header-field'.
Fix URL path when url-decoding-error is occured.
Declare inline fast-http.util:number-string-p.
Update the benchmark result.
Add default headers, Date and Connection.
Update the benchmark result.
Fix an undefined function error when :use-thread is t.
Forgot to intern header fields.
Do not crash when *app* raises an error.
:HOST and :CONNECTION have renamed with :HTTP-* prefix.