CODABLOCKF: prevent cols > 62; fix pTestList buffer overflow

RMQR: update to new draft ISO/IEC JTC1/SC31N000 (Draft 2019-6-24);
  allow for righthand vertical timing pattern in populate_grid()
ULTRA: update max size and min cols based on BWIPP 2021-07-14 update
backend_tcl/zint_tcl.dsp: use /MD instead of /MT for tcl lib compat;
  change include/lib path to more standard one
manual.txt: highlight that rMQR is still in development
GUI: use cross-platform smaller font func instead of explicit values for notes

backend/hanxin.c

@@ -1550,7 +1550,7 @@ INTERNAL int han_xin(struct zint_symbol *symbol, unsigned char source[], int len
                     data_codewords = hx_data_codewords_L4[i - 1];
                 }
                 break;
-            default:
+            default: /* Not reached */
                 assert(0);
                 break;
         }