implemented all the append/prepend/insert functions that were left out because they require callbacks
implemented all the append/prepend/insert functions that were left out because
they require callbacks

svn path=/trunk/; revision=77

cpanxaoc/perl-Gtk2,cpanxaoc/perl-Gtk2,cpanxaoc/perl-Gtk2,potyl/perl-Gtk2,potyl/perl-Gtk2,potyl/perl-Gtk2