Erode bugfixes.

Fixed "noise" option on erode brush not doing anything.
Fixed an issue that messed up block data values when eroding.
Revert "Erode bugfixes."

This reverts commit e297e36ed8023c84c1ba0678d59bb9430d4af10a.
Erode Bugfixes

Fixed "Noise" option in Erode tool not doing anything.
Fixed Erode tool messing up data values of blocks.
FloodFill Bugfixes

Fixed floodfill that didn't show up in list and fixed some data stuff
with floodfill.
removed prints
Merge pull request #81 from Khroki/Erosion-Updates

Brush.py update