Partial implementation of one possible weak API.
Working test of weak callbacks.
New weak API working on 0.10 and newer 0.11. Removed NanMakeWeak and NanInitPersistent, introduced NanMakeWeakPersistent
Removed backwards compatibility.
cleaned for 0.11.12
Oops.
WIP for 0.11.13
fix the fromv8string test I destroyed
MakeCallback fixes
Works on 0.11.13-pre
Works on both new and old.
Removed NanNewLocal. Some fixes and cleanup.
More cleanup.
Fix constness of parameter and callback pointer in _NanWeakCallbackInfo
Fixes.
Changes and fixes.
Added NanEscapableScope and NanEscapeScope
Restore NanSymbol usage.
Fix blockness in NanMakeCallback for ancient versions.
Removed NanFromV8String