Added ``add_wcs_axes()``, ``add_manual_wcs_axes()``, ``append_colorbar()``, and ``add_colorbar()`` helper functions to plot ``MadcubaMaps`` and ``CCDData`` objects using astropy's ``WCSAxes``.
0.0.1
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Initial release with ``MadcubaFits``, ``MadcubaMap``, and ``SpectraContainer`` classes containing main attributes: ``data``, ``unit``, ``header``, ``wcs``, ``ccddata``, and ``hist`` for ``MadcubaMap``; and ``bintable`` and ``hist`` for ``SpectraContainer``.