Merged in get-pts-range-fix (pull request #207)

container/mts: for GetPTSRange if a second PTS is not found error is no longer returned and pts2=pts1

Approved-by: Alan Noble <anoble@gmail.com>

container/mts/mpegts.go

@@ -331,7 +331,6 @@ func GetPTSRange(clip []byte, pid uint16) (pts [2]uint64, err error) {
 	copy(_pkt[:], pkt)
 	payload, err := packet.Payload(&_pkt)
 	if err != nil {
-		fmt.Printf("_pkt: %v\n", _pkt)
 		return [2]uint64{}, err
 	}
 
@@ -358,6 +357,5 @@ func GetPTSRange(clip []byte, pid uint16) (pts [2]uint64, err error) {
 			return
 		}
 	}
-
-	return [2]uint64{}, errors.New("could only find one access unit in mpegts clip")
+	return
 }