Made the argument names in the usage output bold

moebrowne · moebrowne · commit 34c4fa04ef90 · 2016-06-25T23:12:03.000+01:00
diff --git a/argument-parser.sh b/argument-parser.sh
@@ -113,7 +113,7 @@ argList() {
 			local argumentDefault=""
 		fi
 
-		echo "	$argumentList"
+		echo "	$(tput bold)$argumentList$(tput sgr0)"
 		echo "		$argumentDesc $argumentDefault"
 		echo
 	done
