* bumped version and 'about' dialog

* cleaned up HDCD decoding code
* added processPriorityIdle option to settings dialog

FLACDotNet/flacdotnet.cpp

@@ -496,6 +496,12 @@ namespace FLACDotNet {
 			_tags->Clear ();
 		}
 
+		virtual void Delete()
+		{
+			try { Close (); } catch (Exception^) {}
+			File::Delete(_path);
+		}
+
 		virtual property Int64 FinalSampleCount {
 			Int64 get() {
 				return _finalSampleCount;