UPNQR: fix required binary mode using mode_preset
UPNQR: allow mask to be manually specified
GUI: use non-native QColorDialog on Unix also; no noEXE for CLI equivalent;
add shortcuts for copy-to-clipboard and CLI equivalent
CLI: new --version option to print Zint version
and restrict sequence to max 10,000, add button icons;
make Export dialog sizable and show every 100 results, add button icon;
fix saving CHANNEL option, fix Export painting main window (Windows), fix
guard descent not-resetting
qzint: add getAsCLI(), warnLevel(), extra isStackable()/isComposite() etc
Add ZBarcode_BarcodeName()
manual: doc above, some fixes, tweaks