Consider using handles instead of pointers for resources

[Cloudef]

This makes sense due to uncontrolled environment where dangling pointers are real problem. Handles would be simple indexes. This gives additional bonus that the underlying memory management could be optimized for iterations.

[Cloudef]

Working on this now. Should get rid of most if not all hacks and not so nice things in wlc (excluding some internal apis, like platform abstraction that could be nicer).

Changes public API dramatically as well, however should be easier to wrap to different languages as result.

[Cloudef]

Done @ refactor branch.