Add backup define of Z_REFCOUNT_P() for older PHP versions
Bugfix#64496 Runkit_Sandbox open_basedir doesn't support multiple paths
Allow disabling of allow_url_include in a Runkit_Sandbox (PHP >= 5.2)
Compact some unnecessary convert_to_bool() uses
Fix minor reflection bug where function's name picks up case folding
Sync common tests from github.com/zenovich/runkit

Those tests (generally) check more things and spotted one bug.
Tests unique to that fork will be pulled in next.
Add tests from github.com/zenovich/runkit where they're new and work out of the box

Remaining 50 or so will need to be addressed individually.
Fix autoglobal disarm in PHP >= 5.4 plus regression test
Fix multi-generational inheritance with PHP4 style constructors.