Patch for Node 0.11.3
Added backwards compatibility through conditional compilation.
Better way of checking for node version.
support v0.11.4
support node v0.11.4+
Backwards compatibility through conditional compilation.
Replaced conditional compilation with NAN.
Improved NAN.
Updated NAN
No SEGV deleting un-configurable global
Merge pull request #1 from stash/stash/del-global

SIGSEGV deleting un-configurable global
Updated for 0.11.8-pre.
Merge branch 'master' of https://github.com/kkoopa/contextify
Update for 0.11.9
Merge pull request #2 from kkoopa/master

update