Ultrahand Overlay 1.5.9

List of changes:

1. More improvements and optimizations to the tables implementation.
   • New option ;background= which is a true/false value for drawing the table background.
   • New configurable theme color table_bg_color for configuring table background colors.
2. More refinements and optimizations to libTesla.
   • Slightly faster rendering + cleanup of various implementations.
3. Update to default and ultra themes.
4. Bug fix for Ultrahand starting opened after shutting down within an overlay. (only present in v1.5.8)
5. Bug fix for nested package pages.

Full Changelog: v1.5.8...v1.5.9