Added HTTP status codes

Based on http.HTTPStatus

sanic/response.py

@@ -1,18 +1,63 @@
 import ujson
 
 STATUS_CODES = {
+    100: b'Continue',
+    101: b'Switching Protocols',
+    102: b'Processing',
     200: b'OK',
+    201: b'Created',
+    202: b'Accepted',
+    203: b'Non-Authoritative Information',
+    204: b'No Content',
+    205: b'Reset Content',
+    206: b'Partial Content',
+    207: b'Multi-Status',
+    208: b'Already Reported',
+    226: b'IM Used',
+    300: b'Multiple Choices',
+    301: b'Moved Permanently',
+    302: b'Found',
+    303: b'See Other',
+    304: b'Not Modified',
+    305: b'Use Proxy',
+    307: b'Temporary Redirect',
+    308: b'Permanent Redirect',
     400: b'Bad Request',
     401: b'Unauthorized',
     402: b'Payment Required',
     403: b'Forbidden',
     404: b'Not Found',
     405: b'Method Not Allowed',
+    406: b'Not Acceptable',
+    407: b'Proxy Authentication Required',
+    408: b'Request Timeout',
+    409: b'Conflict',
+    410: b'Gone',
+    411: b'Length Required',
+    412: b'Precondition Failed',
+    413: b'Request Entity Too Large',
+    414: b'Request-URI Too Long',
+    415: b'Unsupported Media Type',
+    416: b'Requested Range Not Satisfiable',
+    417: b'Expectation Failed',
+    422: b'Unprocessable Entity',
+    423: b'Locked',
+    424: b'Failed Dependency',
+    426: b'Upgrade Required',
+    428: b'Precondition Required',
+    429: b'Too Many Requests',
+    431: b'Request Header Fields Too Large',
     500: b'Internal Server Error',
     501: b'Not Implemented',
     502: b'Bad Gateway',
     503: b'Service Unavailable',
     504: b'Gateway Timeout',
+    505: b'HTTP Version Not Supported',
+    506: b'Variant Also Negotiates',
+    507: b'Insufficient Storage',
+    508: b'Loop Detected',
+    510: b'Not Extended',
+    511: b'Network Authentication Required'
 }