Create a fixture for holding baseline data of TestW7.
Create a fixture for holding baseline data of TestW7.

- Unpacking of compressed binaries is done by this fixture,
  named 'baseline'.

- It combines all the numpy arrays, astropy quantities as well
  as spectrum parameters and returns a combined dict.

- A TODO has been added as this fixture will be implementing
  HDF5 I/O technique.

- Docstrings have been updated.

Tobychev/tardis,orbitfold/tardis,Tobychev/tardis,orbitfold/tardis,kaushik94/tardis,orbitfold/tardis,Tobychev/tardis,orbitfold/tardis,kaushik94/tardis,kaushik94/tardis,kaushik94/tardis