Added `pcov` as an attribute to the `Gauss2D` class, added methods to return the coefficients as a dictionary to allow for better interfacing with Pandas. Fixed miscellanous errors.
Added `pcov` as an attribute to the `Gauss2D` class, added methods to return the coefficients as a dictionary to allow for better interfacing with Pandas. Fixed miscellanous errors.

david-hoffman/peaks