More code

Added dirctoryChecker.py that walks through the tour production
directory and makes sure it is set up to run through the pipeline
without errors

Added packageScanner.py that walks through the tour production directory
and changes all folder names and file names to lower case and also
replaces all spaces with underscores. it also flags invalid file formats
and writes output to a text file

Added progressbar.py to show the user the progress of the script running
in the command line

Added tiffStitch.py: stitches tiff files