Code cleanup; Reader classes renamed to Decoders, Writers to Encoders, every Decoder must have a corresponding Settings class now just like Encoders. UserDefinedEncoders renamed to CommandLineEncoders, etc.

CUETools.Codecs/WAV/DecoderSettings.cs

@@ -0,0 +1,19 @@
+using System;
+
+namespace CUETools.Codecs.WAV
+{
+    public class DecoderSettings : AudioDecoderSettings
+    {
+        public override string Name => "cuetools";
+
+        public override string Extension => "wav";
+
+        public override Type DecoderType => typeof(AudioDecoder);
+
+        public override int Priority => 2;
+
+        public DecoderSettings() : base() { }
+
+        public bool IgnoreChunkSizes;
+    }
+}