MOD:: reverse back changes to 14443b.c

ADD: the hid-flasher/usb_cmd.h  wasn't up to date with how it's other file /common/usb_cmd.h looks like.
ADD: utils.lua  14443v crc inside LUA.
ADD: utils.lua  ConvertAsciiToHex method and minor adjustments checks.

client/cmdhf14b.c

@@ -34,7 +34,7 @@ int CmdHF14BList(const char *Cmd)
 
 int CmdHF14BSim(const char *Cmd)
 {
-	UsbCommand c={CMD_SIMULATE_TAG_ISO_14443B};
+	UsbCommand c = {CMD_SIMULATE_TAG_ISO_14443B};
 	clearCommandBuffer();
 	SendCommand(&c);
 	return 0;