Simplified code by separating GOES operational dates and data formats into two dictionaries. Added date and data format source to docstring.
Simplified code by separating GOES operational dates and data formats into two dictionaries. Added date and data format source to docstring.

Alex-Ian-Hamilton/sunpy,dpshelio/sunpy,dpshelio/sunpy,dpshelio/sunpy,Alex-Ian-Hamilton/sunpy,Alex-Ian-Hamilton/sunpy