Added a test for bug 625 to verify `xdebug_get_headers()` does not reset headers
Fixed test case to count for default_charset setting and rename other test case.
Merged pull request #50
fix PHP 5.5 build
Some cosmetic CS changes to keep it all the same.
Merged pull request #51
Fixed PHP Bug #60330: Xebug 2.2.x requires autotools 2.60.
Merged pull request #52
Added a test case for bug #913.
Merged pull request #64
Fixed bug #920: AM_CONFIG_HEADER is deprecated
Merged pull request #65