add *.xml *.png
put get_basename into own module
put get_basename() into own file
fix row/col mix-up; add num_rows_in_slice to stripping function so can call from my slice_gtruth.py; move get_basename into own module
add Box corner_one and corner_two (duck typing) to Strip class so can use my zone2xml script to write a strip as xml
add feature to write the xml to open file handle
working version! add zone2xml to write xml