Also return ndof and prob from fitResidualsInterpolatedMultipoles
Fix bug in fitMultipolePlot when both rmin and rmax options are specified
Implement x_e calculation
Add function to calculate photon energy density. Add helium fraction to cosmological parameters. Add function to calculate the baryon drag depth.
Implement neural network functions to setup network weights, train a network, and use a network for prediction.
Remove debug print statement
Merge pull request #1 from dmargala/Implement_recombination_calculation

Implement recombination calculation
Merge pull request #2 from dmargala/Implement_neural_network

Implement neural network functions to setup network weights, train a net...
Merge remote-tracking branch 'origin/master'