Log Message:
Update pear from version 1.5.4nb3 to version 1.9.0.

Pkgsrc changes:
- Update base pear packages:Archive_Tar-1.3.3, Console_Getopt-1.2.3
Structures_Graph-1.0.3
- Update ${FILESDIR}/go-pear.php from latest version at
http://pear.php.net/go-pear
- Update ${FILESDIR}/pear.sh from the bundled version
- Provide bootstrap PEAR.php via ${FILESDIR}/PEAR.php from
http://cvs.php.net/viewvc.cgi/pear-core/PEAR.php?view=co&pathrev=PEAR_1_4
(see FILESDIR/go-pear.php's code) and put it into ${WRKSRC} at the extract
phase
- Update PLIST

Upstream changes:
A lot! IMHO more than what can be recorded here.
Please see individual releases Changelog since version 1.5.4
at http://pear.php.net/package/PEAR.