Spec-plots

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* Added binary FITS table as an output option for COS spectra.

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* Removed useless argument checks in main function.
* First build that includes a conda package.

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* Added basic support for NIRSPEC and NIRISS.
* Updated ERR keyword to ERROR keyword for JWST instruments.
* Automated version numbers in API doc.
* Renamed some modules that were named after MIRI to be JWST (more generic).

v1.34 - 2016 Oct.
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* Added dual-support for Python 2.7 and Python 3.5.
* Added basic support for JWST MIRI 1D spectra.