Skip duplicate ID3v2 tags in MPEG files.
Comment on a weird workaround for duplicate ID3v2 tags.
Add a test for duplicate ID3v2 tags.
Avoid reading an entire ID3v2 tag when skipping it.
Merge pull request #454 from TsudaKageyu/duplicate-id3v2

Skip duplicate ID3v2 tags in MPEG files.