xdebug is a zend extension
Merged pull request #59
Merge branch 'xdebug_2_2'
s/2012/2013 or s/2012/%d
Merge branch 'xdebug_2_2'
Fixed a test case.
Merge branch 'xdebug_2_2'
Go with 2.2.2.
Back to -dev.
Merge branch 'xdebug_2_2'