EO::Message - definition of a message class

  use EO::Message;

  my $message = EO::Message->new();
  $message->selector( 'foo' );
  $message->arguments( [qw(one two three)] );

  $message->send_to( $object );
  $message->send_to( 'Class' );

  my $selector  = $message->selector;
  my $arguments = $message->arguments;

EO::Message provides a representation of a message sent to an object in the system.