v4.1.3

This version changes save/sync file structure. Files from previous versions won't work with this one and vice versa.

New features:

• added option to generate lrc files by @xnetcat in 54fac1b
• added option to force metadata update by @xnetcat in 5eb1669

Bug fixes:

• use ID3 v2.3 to save mp3 tags by @xnetcat in e9bb6cb
• metadata reading related fixes by @xnetcat in 9b46253
• optimized how the data is stored in save files by @xnetcat in 6e5ebd8
• fixed key error when trying to access track fields in playlist by @xnetcat in 710e1b5 6f1b77f fc3bf96 f50d674
• fixed sync/m3u functionality when using 'restrict' option by @s6joui in #1765
• use custom id3 sep for reading files by @xnetcat in 6c17a98