JSONDownloader

Lightweight class which downloads and returns a Dictionary rep of JSON object asynchronously

####Usage import "JSONDownloader.h"

JSONDownloader *downloader = [[JSONDownloader alloc] init];

[downloader getJSONDataFromURL:[NSURL URLWithString:@"someURLString"] callback:^(NSDictionary *response){
    //Deal with response callback here
}];

####Errors An error will be passed back in Dictionary form

Key: ERROR!
Value: Error