patch 0.4.5.8

- fixed issue of aether piece fish got set to the wrong bpm. i don't know when this happened.
editor :
- fixed issue of reel melodies does not pitch properly when octave below 0
- tempo tapper is more accurate and less jumpy.
- beat and angle snap are now save in config so it will now persist when reset editor.
- fixed issue of showing "You are beyond the end." at wrong position when there's a bpm change in the song