1.5.0

• Possible breaking change: AltSerialGraphicLCD version disabled by default, but can be enabled explicitly via config.h or build flag GEM_ENABLE_GLCD;
• GEMAppearance struct, ::setAppearance() methods added; ability to set appearance for menu pages individually and change it at a runtime;
• GEMPage::getMenuItem() and GEMItem::getMenuItemNext() methods made public for easy menu items traversing from the sketch;
• ::getCurrentMenuPage(), GEMPage::getCurrentMenuItem(), GEMPage::getCurrentMenuItemIndex() methods added to target currently selected menu item (can be useful for certain callback functions);
• GEMItem::setAdjustedASCIIOrder() method added for more suitable order of characters when editing text variables in certain use cases;
• Example 06: Todo List added;
• Readme updated accordingly.