Landbosse

+ Chnaged construction duration functionality.

+ Weather window can now be extended to an arbitrarily long length by duplicating the underlying wind data.

+ All modules now report the actual construction time they require to perform the scope of work they model.

+ ManagementCost now keeps the management crew onsite for only the time necessary to complete all scope of work.

+ Fix setup.py to automatically find the `landbosse` package.

+ Fixed a solver problem that would hang during foundation calculations. This was a bug encountered in the upgrade to SymPy 1.5.1

+ Added post processing scripts to load data into PostgreSQL

+ Added support for crane breakdowns

+ Fixed a roads issue.

+ Support for discrete value lists for parameteric variables added.

+ Support for labor rate multipliers added.

- Support for parametric variable grid search added.