+ (Response *)sendRequest:(NSMutableURLRequest *)request withUser:(NSString *)user andPassword:(NSString *)password {

	//lots of servers fail to implement http basic authentication correctly, so we pass the credentials even if they are not asked for
	//TODO make this configurable?
	NSURL *url = [request URL];
	if(user && password) {
		NSString *authString = [[[NSString stringWithFormat:@"%@:%@",user, password] dataUsingEncoding:NSUTF8StringEncoding] base64Encoding];
		[request addValue:[NSString stringWithFormat:@"Basic %@", authString] forHTTPHeaderField:@"Authorization"];
		NSString *escapedUser = (NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
																																								(CFStringRef)user, NULL, (CFStringRef)@"@.:", kCFStringEncodingUTF8);
		NSString *escapedPassword = (NSString *)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
																																										(CFStringRef)password, NULL, (CFStringRef)@"@.:", kCFStringEncodingUTF8);
		NSMutableString *urlString = [NSMutableString stringWithFormat:@"%@://%@:%@@%@",[url scheme],escapedUser,escapedPassword,[url host],nil];
		if([url port]) {
			[urlString appendFormat:@":%@",[url port],nil];
		}
		[urlString appendString:[url path]];
		if([url query]){
			[urlString appendFormat:@"?%@",[url query],nil];
		}
		[request setURL:[NSURL URLWithString:urlString]];
		[escapedUser release];
		[escapedPassword release];
	}


	[self logRequest:request to:[url absoluteString]];

	ConnectionDelegate *connectionDelegate = [[[ConnectionDelegate alloc] init] autorelease];

	[[self activeDelegates] addObject:connectionDelegate];
	NSURLConnection *connection = [[[NSURLConnection alloc] initWithRequest:request delegate:connectionDelegate startImmediately:NO] autorelease];
	connectionDelegate.connection = connection;


	//use a custom runloop
	static NSString *runLoopMode = @"com.yfactorial.objectiveresource.connectionLoop";
	[connection scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:runLoopMode];
	[connection start];
	while (![connectionDelegate isDone]) {
		[[NSRunLoop currentRunLoop] runMode:runLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:.3]];
	}
	Response *resp = [Response responseFrom:(NSHTTPURLResponse *)connectionDelegate.response
								   withBody:connectionDelegate.data
								   andError:connectionDelegate.error];
	[resp log];

	[activeDelegates removeObject:connectionDelegate];

	//if there are no more active delegates release the array
	if (0 == [activeDelegates count]) {
		NSMutableArray *tempDelegates = activeDelegates;
		activeDelegates = nil;
		[tempDelegates release];
	}

	return resp;
}