force utf8 to save config.

src/com/dre/brewery/filedata/ConfigUpdater.java

@@ -1,13 +1,15 @@
 package com.dre.brewery.filedata;
 
 import com.dre.brewery.P;
+import com.dre.brewery.utility.BUtil;
 import com.dre.brewery.utility.LegacyUtil;
 import com.dre.brewery.utility.Tuple;
 import org.bukkit.Material;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.FileConfiguration;
 
 import java.io.*;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -79,21 +81,17 @@ public void saveConfig() {
 			stringBuilder.append(line).append("\n");
 		}
 		String configString = stringBuilder.toString().trim();
-
 		try {
-			BufferedWriter writer = new BufferedWriter(new FileWriter(file));
-			writer.write(configString);
-			writer.flush();
-			writer.close();
-
+			InputStream utf8ConfigInput = new ByteArrayInputStream(configString.getBytes(StandardCharsets.UTF_8));
+			BUtil.saveFile(utf8ConfigInput, file, true);
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
 	}
 
 	private void getConfigString() {
 		try {
-			BufferedReader reader = new BufferedReader(new FileReader(file));
+			BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), StandardCharsets.UTF_8));
 			String currentLine;
 			while((currentLine = reader.readLine()) != null) {
 				config.add(currentLine);

src/com/dre/brewery/utility/BUtil.java

@@ -358,4 +358,7 @@ public static void saveFile(InputStream in, File dest, String name, boolean over
 		out.close();
 	}
 
+	public static void saveFile(InputStream in, File file, boolean overwrite) throws IOException {
+		saveFile(in, file.getParentFile(), file.getName(), overwrite);
+	}
 }