Major performance increases with pngs!

[2.0.2] - 2020-02-04

Changed

• improved speed of input buffering for pngquant by skipping compression

Added

• pngquant speed can now be configured in settings, defaults to fastest speed

Fixed

• fill-color for hex color codes now supports 3-,4-,6-, and 8-digit formats
• incoming image size limitations can now be configured and enforced with environment variables, preventing large images
  from timing out