Clock Builder Script

UPDATES:

Current development version to be found on git hub here:
github.com/syvwlch/Printable-Clock-Project

v2 - 2011 05 08
Now uses a club-tooth escapement rather than a ratchet-wheel Graham.
Backwards compatible with existing clock scripts.

v3 - 2011 05 13
Modified to make use of the new library feature for adding holes to the drum. Backwards compatible with existing clock scripts.
Summary of changes to the code:
https://github.com/syvwlch/Printable-Clock-Project/commit/d9a7dec