A release version for the Zenodo transition.
Adding flexibility to the uncertainty calculations
Moving all CC resource data from quilt to Zenodo
new feature in GibbsEnergyPredictor: uncertainty vectors
beta release after merging compound_db branch (uncertainty vectors)
including fix to temperature response in Legendre transform
Improving separation between `CompoundCache` and `GibbsEnergyPredictor`
simplifying dependency between GibbsEnergyPredictor and CompoundCache
Switching default to no Mg2+ in training and supporting python 3.8
first version integrating Mg2+ data in the training process
adding p_mg to more functions
Version compatible with equilibrator-cache 0.3.0b3