Version 1.0.13 released

[jonas]

• Fixed volume synchronization leading to infinite loop resulting in crash when adjusting volume while playing (#1089).
• Fixed incorrect volume.
• Fixed collection organizing incorrectly handling slashes inside {} brackets for variables (#1091).
• Fixed saving relative playlists to non-existing playlist files (#1092).
• Fixed intermittent crash on collection model query (#1095).
• Require system icons for fancy tabbar and settings sidebar to be larger than 22x22 (#1084).