Updated to include more options for clearing and dropping. Also increased the max range of dig radius and height.

Dig options:
ClearGarbage - will clear all 'garbage' related blocks
ClearOre - will clear garbage AND ore
ClearAll - will clear everything, including machines and craftable blocks.

Drop Options:
DropSome : vanilla behavior, 5% chance to drop garbage. 100% drops on everything else.
DropNone : doesn't drop anything.
DropOre : will only drop ore it finds. One ore per block destroyed.
DropAll : drops everything. This will QUICKLY max out the per-segment drop limit, so be around or have vacuum hoppers.

Other change was to dig radius and height.
Max radius is now 1024, which means it would dig out a 2049 x 2049 area...
Max height is now 2048...

Also added the ability to use the shift key to increase radius by 10.

Version 4. Updated directory search to reflect how steam does things.

Also, Shift now can be used to +/- height by 10.