Started adding test of the full fitting pipeline. Switch SED code to using astropy.units.
Added `fit` to full pipeline test
Test plotting and fix errors
Add plot_params_1d and plot_params_2d to pipeline test
Avoid inplace operations that cause issues when float32 variables are present
Use Astropy to define the convolution kernel for 2d plots
Fix bug in display
Test extract_parameters
Test write_parameters and write_parameter_ranges
Test filter_output
Factor out redundant code
Removed ATpy dependency
Test and fix monochromatic convolution
Factored out smart log formatter
moved sedfitter.util to sedfitter.utils.io
Merge pull request #5 from astrofrog/pipeline-test

Add complete test of workflow and fix bugs