minor change to allow files with no file extension as an input source
minor change to allow files with no file extension as an input source

adamnemecek/AudioKit,audiokit/AudioKit,adamnemecek/AudioKit,audiokit/AudioKit,adamnemecek/AudioKit,audiokit/AudioKit,eljeff/AudioKit,eljeff/AudioKit,eljeff/AudioKit,adamnemecek/AudioKit,audiokit/AudioKit,eljeff/AudioKit