changed interface to be easier, will change some more in a few
changed interface to be easier, will change some more in a few

luukhoavn/exemplarsvm,quantombone/exemplarsvm,abhi2610/exemplarsvm,quantombone/exemplarsvm,luukhoavn/exemplarsvm,abhi2610/exemplarsvm,luukhoavn/exemplarsvm,abhi2610/exemplarsvm,abhi2610/exemplarsvm,quantombone/exemplarsvm,quantombone/exemplarsvm,luukhoavn/exemplarsvm