XSTAR2XSPEC Python API

XSpecTableProducts	Paths of the four table products written by native xstar2table.
build_xspec_tables	Build the four canonical-compatible XSPEC table products.
build_xstinitable	Create xstinitable.lis and xstinitable.fits.
run_xstar2xspec	Run the complete native XSTAR2XSPEC pipeline with bounded process parallelism.