Merge pull request #21 from salter31/software-testing

fixed nasty bugs
Fixed type from threshold to depth as it's easier to understand
Turn in
Fixed date issue in PDF
Seeded 13 errors into the code, from simple validation to hidden Easter Eggs.
Removed commented out lines.
Merge pull request #22 from Mdonmounts/defect-add

Seeded 13 errors into the code, from simple validation to hidden Easter ...
Work in progress bugs. View network functions