- adapt to latest v8 API (v8 versions from 3.24.6 up to latest 4.3 branch supported now)
- v8 debugging support
- apply time & memory limits to V8Function calls
- support mapping of PHP objects implementing ArrayAccess to native arrays
- new API to set limits: setTimeLimit & setMemoryLimit methods on V8Js object
- typesafe JavaScript function wrappers
- improved back-and-forth object passing (rewrapping, correcty isolate unlocking)
- fix property and method visibility issues
- fix memory leaks