RootTrace Code

Added numbering of roots as you click start points

Added (And commented out) some code to test an idea about the probabilities calculated using the Z table

Added undo for start points (backspace)
updated help
Increased version to 0.8.5d

1. Moved where main stats file is created to try to ensure output folder has been set by then.
2. Shortened search window for lock to root, and bounded on image edges

Memory leak fixed. base_image was being cloned each loop, and didn't need to be

Fixed last_image multiple cropping problem (only needs cropping once)

Over-cropping bug.
Added error message to alert user when cropped image smaller than zoom image.

Re-added showLiveZoom code in mouse move (commented out during recent testing)

Fixed cropping error by using base_image = image_ptr rather than CopyImage(image, base_image)