Version 1.2.3
- fixed partial update for 2.13" 3-color and 2.9" 3-color e-paper - partial update can be disabled with attribute usePartialUpdateWindow = false - added GxEPD2_GFX_Example to show uses of GxEPD2_GFX base class - replaced GxEPD2_MultiDisplayExample code, same code as GxEPD2_GFX_MultiDisplayExample - added extras/examples/GxEPD2_T_MultiDisplayExample, alternate example using template functions - major and minor fixes, such as typos that survived too long