This method returns a sub-list of all the found Plugin
classes that implement all of the passed in set of
Interfaces (either directly or through inheritance.)
This method returns a sub-list of all the found Plugin
classes that implement any of the passed in set of
Interfaces (either directly or through inheritance.)
Creates a new instance of PluginLodaer
If the system property "net.java.games.util.plugins.nolocalnative" is
not set then the laoder will look for requried native libs in the
same directory as the plugin jar.