- allow Pr#0 for analog channels

- added loader for Toshiba *.db files (saving not yet implemented)

ChanSort.Loader.DbFile/DbSerializerPlugin.cs

@@ -0,0 +1,15 @@
+using ChanSort.Api;
+
+namespace ChanSort.Loader.DbFile
+{
+  public class DbSerializerPlugin : ISerializerPlugin
+  {
+    public string PluginName { get { return "Toshiba chmgt.db"; } }
+    public string FileFilter { get { return "chmgt.db"; } }
+    
+    public SerializerBase CreateSerializer(string inputFile)
+    {
+      return new DbSerializer(inputFile);
+    }
+  }
+}