This adds support for the following frames: "RVA2", "OWNE", "ETCO", and "PRIV".
Additionally, this changes Id3v2Tag::remove to return the frame(s) removed, and Id3v2Tag::insert to check for frames that only meant to appear once in a file, replacing if necessary. Those frames are: "MCDI", "ETCO", "MLLT", "SYTC", "RVRB", "PCNT", "RBUF", "POSS", "OWNE", "SEEK", and "ASPI".
This adds support for the following frames: "RVA2", "OWNE", "ETCO", and "PRIV".
Additionally, this changes
Id3v2Tag::removeto return the frame(s) removed, andId3v2Tag::insertto check for frames that only meant to appear once in a file, replacing if necessary. Those frames are: "MCDI", "ETCO", "MLLT", "SYTC", "RVRB", "PCNT", "RBUF", "POSS", "OWNE", "SEEK", and "ASPI".Part of #189