What's Changed
* added T to the txt exports by RemDelaporteMathurin in https://github.com/RemDelaporteMathurin/FESTIM/pull/196
* fixed recombination flux with chemical pot conservation by RemDelaporteMathurin in https://github.com/RemDelaporteMathurin/FESTIM/pull/202
* Computation time optimisation post-processing by RemDelaporteMathurin in https://github.com/RemDelaporteMathurin/FESTIM/pull/203
* Keys optional + bug fixing by RemDelaporteMathurin in https://github.com/RemDelaporteMathurin/FESTIM/pull/205
* Key borders not mandatory if only one material is set by RemDelaporteMathurin in https://github.com/RemDelaporteMathurin/FESTIM/pull/206
**Full Changelog**: https://github.com/RemDelaporteMathurin/FESTIM/compare/v0.4.2...v0.4.3