added a helper for getting unix timestamp of when the features are dtected; fixed some comments
added a helper for getting unix timestamp of when the features are dtected; fixed some comments

BjornFJohansson/giraffe,UndeadBlow/giraffe,UndeadBlow/giraffe,BjornFJohansson/giraffe,addgene/giraffe,addgene/giraffe,addgene/giraffe,BjornFJohansson/giraffe,addgene/giraffe,BjornFJohansson/giraffe,BjornFJohansson/giraffe