Version 1.04

Version 1.04 (2021-05-04)

• typos corrected
• Added general colour support for SFSymbols with function tintSFSymbol(image, color)
• Added new type 'SFSymbol' (see example below)
• Added color support for type switchSF (see example below)
• Function to invert colors in darkmode (https://stackoverflow.com/questions/35969656/how-can-i-generate-the-opposite-color-according-to-current-color)
• changed color definition to Hexadecimal-values only (w/o new Color())
• Added cached data, if request fails
• Reworked node-red integration and widget-file example (see below)