Add le and ge operators to the point class
Add a function to return the point cloud bounding box
It makes more sense that the corner of the bounding box are world coordinates and not points
Fix bounding box logic
Fix typo
Add functions to get the min/max world coordinates
Add a function to get the number of points in a cloud
Add virtual destructor
Add virtual destructor
Use unique and raw pointer instead of shared pointer
Add a foreach manipulator function to the point cloud
Check if last_max_depth is not 0
Add functions to colorize the point cloud
Add color to the point cloud example
Flip the image