- Eliminated hyphens from generated numbers.

- Updated to a more elegant way of handling break weeks. ...

- Contiguous break weeks are now coalesced into a single break period.
- Weeks are now keyed off calendar week number rather than week starting date.

- Fixed typo in comments.

- Changed null break_weeks value for summer school to an empty array.

- Added note about suitable output location. ...

- Added support for multiple break weeks in a teaching period.
- Refactored teaching week number generation.

- Added script to generate LaTeX macros for teaching period calendar weeks.