asynch receiver

connectionDidReceiveData.m

// Gather up all the asynch data as it comes in and store it in the blob
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
	// Check to see if this is a new search, if so it will be nil, so create an object
    
	if(tweetBlob == nil) {
		tweetBlob = [[NSMutableData alloc]init];
		[tweetBlob appendData:data];
	}
	else {
		[tweetBlob appendData:data];
	}
	
}