Python3 interface to the ADIOS IO system

 This is a Python3 interface to ADIOS.
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 The Adaptable IO System (ADIOS) provides a simple, flexible way for scientists
 to describe the data in their code that may need to be written, read,
 or processed outside of the running simulation. By providing an external
 to the code XML file describing the various elements, their types, and
 how you wish to process them this run, the routines in the host code
 (either Fortran or C) can transparently change how they process the data.