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.lame_enc/Interop/VBRMETHOD.cs

@@ -0,0 +1,12 @@
+namespace CUETools.Codecs.LAME.Interop
+{
+    public enum VBRMETHOD : int
+    {
+        VBR_METHOD_NONE = -1,
+        VBR_METHOD_DEFAULT = 0,
+        VBR_METHOD_OLD = 1,
+        VBR_METHOD_NEW = 2,
+        VBR_METHOD_MTRH = 3,
+        VBR_METHOD_ABR = 4
+    }
+}