Added - support for node selector plugin - getOpenNodes() to access all open nodes
Changed - new Benders functionality
2.2.1
Added - evaluate polynomial expressions using the given solution values
2.2.0
Added - convenient access to solution data, via `solution[x]` syntax instead of `model.getVal(x)` - store Variable objects in Model for faster access
Removed - `releaseVar()`: potentially harmful and not necessary anymore
2.1.9
Changed - recommend `pip install .` over `python setup.py install` in INSTALL
2.1.8
Added - `lpiGetIterations()` to get LP iterations of last solved LP relaxation Changed - rework `setup.py` to support developer versions of SCIP libraries built with Makefiles
2.1.7
Fixed - fix methods to get and set char and string parameters