Pycirk exiobase data

A version of EXIOBASE multi-regional SUTs V3.3 for 2011 and that has been: Expanded in labels for all categories (including synonyms, country regions and names in the multiindexes to facilitate slicing). Expanded by including characterization tables (originally developed under DESIRE FP7) The datasets are pickled and are meant to be used with pycirk a modelling software to simulate EEIO structural change due to technological and policy interventions. https://cmlplatform.github.io/pycirk