Latest Big Fixes in ConvexHull (Graham Scan according to  Joseph O'Rourke )
Sorting with respect to angle still caused problems with collinearities, now we mark the points inside the comparator to later delete
latest improvements Graham Scan
Latest Robust version, improved Graham Search, seems to work better
Merge branch 'dev'
Merge branch 'master' of https://github.com/gabyx/ApproxMVBB