Results 40 issues of Léo Lam

* [ ] Camera * [ ] LookAtCamera * [ ] DirectCamera * [ ] OrthoCamera

PtrArrayImpl is still missing some implementations of common operations (sorting for example). Might not be worth going for a perfect match; an equivalent version might be good enough

* [x] Thread (requires #28 HeapMgr and #29 hostio event listener) * [x] Thread::State enum * [x] Thread: complete implementation except hio * [ ] Thread: hio (HostIO) * [x]...

- [ ] HeapMgr - [ ] HeapMgr complete (...not trivial at all) - [ ] FindContainHeapCache

- [ ] isStack - [x] isHeap - [ ] dumpMemoryBinary - [x] checkFillType

prio-low