Unhandled panic() in the library

[srinathh]

HI,

i found 2 unhandled panics in the library below which causes a crash in the program using the library when i encounter malformed conditions like weird encodings:
(a) id3.go, line 78: panic(fmt.Sprintf("Unrecognized ID3v2 version: %d", file.Header.Version))
(b) util.go, line 156: panic(err)

My current retrofit for the Read function is to add a defer with a recover & return nil instead of *File. However, i believe a better solution would be to return both a File & a more descriptive error object

func Read(reader io.Reader) (retfil *File) {
defer func() {
if r := recover(); r != nil {
retfil = nil
}
}()
.....
.....
}