Force output encoding, add 'un' as an unambiguous contraction

src/main/java/com/whitemagicsoftware/keenquotes/app/KeenQuotes.java

		import static java.lang.String.format;
		import static java.lang.System.*;
		+import static java.nio.charset.StandardCharsets.UTF_8;
		import static picocli.CommandLine.Help.Ansi.Style.*;
		import static picocli.CommandLine.Help.ColorScheme;


		private String convert( final Curler curler ) throws IOException {
		- return curler.apply( new String( in.readAllBytes() ) );
		+ return curler.apply( new String( in.readAllBytes(), UTF_8 ) );
		}

src/main/java/com/whitemagicsoftware/keenquotes/parser/Contractions.java

Delta	4 lines added, 1 line removed, 3-line increase