v1.2.1: Bug fix

Bugfix in the built-in LP models regarding product handling.

v1.2.0: Branching capability extensions and some fixes

Added lower bound support for the LP model and changed the default solver to GLOP.
Reorganized some internal codes in the branch-and-bound classes.
Added priority queue based B&B.
Added new, class-based way to define branching logic.

v1.1.0: The real first release

This is the real first release, which is compatible with the published examples. Contains bugfixes, clarifications, and a few additional options.

v1.0.0

Initial release.