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* Bug Fixes:
* Trying to save an empty tag deletes it. (813)
* The semi-public API removal mentioned in 1.6's API-NOTES happened.
* Stricter frame ID validation. (830, Lukáš Lalinský)
* Use os.path.devnull on Win32/Mac OS X. (831, Lukáš Lalinský)
* New Features:
* FLAC cuesheet and seektable support. (791, Nuutti Kotivuori)
* Kwargs can be passed to ID3 constructors. (824, Lukáš Lalinský)
* mutagen.musepack: Read/tag Musepack files. (825, Lukáš Lalinský)
* Tools:
* mutagen-inspect responds immediately to keyboard interrupts.