Small changes
Not a lot changed.
'python rht.py path -parm=val' Now works!

You can enter -f=0.5 or -wlen=44 or -s=10 or anything of the sort and it
will communicate the values to main() along with the proper flags.
Tried to prevent more file selection issues, main

Try running main() or from the command line to see new summary.
Merge pull request #6 from Schudel888/master

More helpful output from main methods, fewer file selection errors