added `tLeft` and `tRight` options to the `Collocation` generator, used by the base Collocation class in pySDC (even if in practice, it's always `[0, 1]`)
0.1.1
- finished integration of all [RK schemes from pySDC](https://github.com/Parallel-in-Time/pySDC/blob/master/pySDC/implementations/sweeper_classes/Runge_Kutta.py), thanks brownbaerchen - simplified handling of `hCoeffs` in RK schemes - improved dev documentation to add new RK schemes - fixed notebook test with latest dependencies
0.1.0
Switch to Beta stage versions, ready to integrate into pySDC.