Added Collin Hover's utility-tile helper module.
Load utility tile module.
Copied 'shapes from collision map' plugin.
Removed bloat. I don't care about climbables or one-ways.
Added _shapeFromTile function.
Added object for storing tile segment definitons.
Added _verticesFromTile function.
Not interested in climbable tiles.
Use object to store vertice definitions to prevent recalculation.
Added _pointsToConvexHull function.
Added _pointsCW function.
Use now locally available function.
Added _shapedTilesToShapes function.
Added _findShapedTileLine function.
Added _stepShapedTileHorizontally function.
Added _arrayCautiousRemoveMulti function.
Added _toArray function.
Added _indexOfValue function.
Added _isArray function.
Use now locally available function.