v0.7.0a1

v0.7.0a1 comes with new functionalities, improved performance, and more robust input loading.

New Functionalities:

1. Support of link allowed uses in class Link and the routing engine;
2. Multimodal accessibility evaluation;
3. Loading columns from previous runs and continue the column generation procedure;
4. A helper function to download the sample data set with six different networks.

Improved Performance:

• Around 15% reduction in CPU time for the column generation procedure (test against v0.6.0 using 20 assignment iterations and 20 column generation iterations for the Chicago Sketch Network).

More Robust Input Loading:

• Enhance exception handlings to deal with records are empty or not desired types when loading inputs.