Automatically fixes jap misspelling for Japanese streams

src/main/java/net/knarcraft/ffmpegconverter/converter/DownScaleConverter.java

@@ -80,7 +80,7 @@ public class DownScaleConverter extends AbstractConverter {
         }
 
         modules.add(new ScaleModule(this.newWidth, this.newHeight));
-        modules.add(new SetQualityModule(20, "slower"));
+        modules.add(new SetQualityModule(20, "slow"));
         modules.add(new SetOutputFileModule(outFile));
         modules.add(new HardwareDecodeModule());
         new ModuleExecutor(command, modules).execute();

src/main/java/net/knarcraft/ffmpegconverter/streams/AbstractStream.java

@@ -102,6 +102,9 @@ public abstract class AbstractStream implements StreamObject {
                 (title.toLowerCase().matches(".*english.*") && languageString.equalsIgnoreCase("jpn"))) {
             return "eng";
         }
+        if (languageString.equalsIgnoreCase("jap")) {
+            return "jpn";
+        }
         return languageString;
     }