v0.9.9 comes with bug fixes, new functionality, and performance improvement.
- Fix bugs in loading synthetic zones and synthesizing demand.
- Separate demand loading from read_network().
- Introduce a new public API read_demand() to unify demand and zone synthesis, and demand (and synthetic zone) loading.
- Deprecate confusing perform_column_generation() and replace it with find_ue().
- Introduce ODME.
- Add support to load link toll from link.csv.
- Optimize how to check if a key exists.