nearly doubled the size of the file with api documentation, mostly copied or adapted from the C api reference.  re-ordered some of the xsubs to make more sense in the doc, but changed no code.
nearly doubled the size of the file with api documentation, mostly copied or
adapted from the C api reference.  re-ordered some of the xsubs to make more
sense in the doc, but changed no code.

svn path=/trunk/; revision=730

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