public PluginDependencyItem()
 {
   AssemblyName = string.Empty;
   CompatibleVersion = new CompatibleVersionCollection();
   SubSystemsUsed = new SubSystemItemCollection();
 }
 public PluginDependencyItem()
 {
     AssemblyName      = string.Empty;
     CompatibleVersion = new CompatibleVersionCollection();
     SubSystemsUsed    = new SubSystemItemCollection();
 }