pixelIndexToXY no longer calculated in LemmingsWalker
Blob:
-blob works now with floats
-fixed bug in onEdge
-made onLine private
-pixels can now be converted to normalized positions
-draw option for normalized values
BlobFinder:
-normalize option
-fixed bug in setMinBlobHeight
-added method overX and overY
-lots of changes in scan method
-lots of draw methods
BlobInfo
-blobInfo works with float now
-draw method