Added basic functions to process subtasks
Added more functions for Thank you path
Thank you path working
Finished thank you path
Added computation of statistics and report printout
Completed project ready for review
Merge pull request #37 from QuietMike/session03

Session03

I"m merging, as it all works fine (or looks like it doesn, I didn'ta ctually test it...

But do take a look and my comments -- they are all about making the code more 
"pythonic", rather than correct.