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.libmp3lame/LameException.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CUETools.Codecs.libmp3lame
+{
+    public class LameException : Exception
+    {
+        public LameException(string message)
+            : base(message)
+        {
+        }
+    }
+}