Build No. 0.0.499: Added JSNative.Address.free() call back to JSNative.Allocator.free

CallVMs are now automatically freed, as the constructor registers the address in the global allocator stack, and provides a free() function callback to release the data.

Modified: bin/buildnum
Modified: core.js
Modified: src/JSNative/JSNative.js
Modified: src/JSNative/JSNativeAllocator.c
Build No. 0.0.519: Prototype X

Modified: bin/buildnum
Modified: core.js
Modified: src/JSNative.c
Modified: src/JSNative/JSNative.js
Modified: src/JSNative/JSNativeValue.c