Status codes from return from server

	Http Response codes as specified in Servlet API (www.sun.java)
CODE	DISCRIPTION
100	Indicating the client can continue.
101	Indicating the server is switching protocols according to Upgrade header.
200	Indicating the request succeeded normally.
201	Indicating the request succeeded and created a new resource on the server.
202	Indicating that a request was accepted for processing, but was not completed.
203	Indicating that the meta information presented by the client did not originate from the server.
204	Indicating that the request succeeded but that there was no new information to return.
205	Indicating that the agent SHOULD reset the document view which caused the request to be sent.
206	Indicating that the server has fulfilled the partial GET request for the resource.
300	Indicating that the requested resource corresponds to any one of a set of representations, each with its own specific location.
301	Indicating that the resource has permanently moved to a new location, and that future references should use a new URI with their requests.
302	Indicating that the resource reside temporarily under a different URI.
303	Indicating that the response to the request can be found under a different URI.
304	Indicating that a conditional GET operation found that the resource was available and not modified.
305	Indicating that the requested resource MUST be accessed through the proxy given by the Location field.
307	Indicating that the requested resource resides temporarily under a different URI.
400	Indicating the request sent by the client was syntactically incorrect.
401	Indicating that the request requires HTTP authentication.
402	Reserved for future use.
403	Indicating the server understood the request but refused to fulfill it.
404	Indicating that the requested resource is not available.
405	Indicating that the method specified in the Request-Line is not allowed for the resource identified by the Request-URI.(e.g. if Method is GET but there is no doGet() method)
406	Indicating that the resource identified by the request is only capable of generating response entities which have content characteristics not acceptable according to the accept headers sent in the request.
407	Indicating that the client MUST first authenticate itself with the proxy.
408	Indicating that the client did not produce a request within the time that the server was prepared to wait.
409	Indicating that the request could not be completed due to a conflict with the current state of the resource.
410	Indicating that the resource is no longer available at the server and no forwarding address is known.
411	Indicating that the request cannot be handled without a defined Content-Length.
412	Indicating that the precondition given in one or more of the request-header fields evaluated to false when it was tested on the server.
413	Indicating that the server is refusing to process the request because the request entity is larger than the server is willing or able to process.
414	Indicating that the server is refusing to service the request because the Request-URI is longer than the server is willing to interpret.
415	Indicating that the server is refusing to service the request because the entity of the request is in a format not supported by the requested resource for the requested method.
416	Indicating that the server cannot serve the requested byte range.
417	Indicating that the server could not meet the expectation given in the Expect request header.
500	Indicating an error inside the HTTP server which prevented it from fulfilling the request.
501	Indicating the HTTP server does not support the functionality needed to fulfill the request.
502	Indicating that the HTTP server received an invalid response from a server it consulted when acting as a proxy or gateway.
503	Indicating that the HTTP server is temporarily overloaded, and unable to handle the request.
504	Indicating that the server did not receive a timely response from the upstream server while acting as a gateway or proxy.
505	Indicating that the server does not support or refuses to support the HTTP protocol version that was used in the request message.