v2.22.0

New functions (thanks @HergenD):

• Row height getRowHeight(int $row): float
• Column width getColumnWidth(int $col): float
• Freeze pane info getFreezePaneInfo(): array (and alias getFreezePaneConfig())
• Tab color info getTabColorInfo(): array (and alias getTabColorConfiguration()) This is used to determinte the background colors of sheet tabs