- added support for GDEY0154D67 1.54" b/w 200x200
- added support for GDEY0213B74 2.13" b/w 128x250
- updated support for GDEY027T91 2.7" b/w 176x264
- renamed driver class for GDEY027T91 to GxEPD2_270_GDEY027T91
- added support for GDEY029T94 2.9" b/w 128x296
- added support for GDEY042T91 4.2" b/w 400x300
- added support for GDEQ0583T31 5.83" b/w 648x480
- these panels have fast full refresh capability
- fast full refresh can be disabled in the class header for low temperature use
- added support for GDEY073D46 7.3" 800x480 7-color
- all these new panels have been donated by Good Display
- added __has_include test to GxEPD2_BW.h, GxEPD2_3C.h, GxEPD2_7C
- this allows to remove or put aside unused driver classes for faster compile
- several fixes and improvements
