Added CODATA2014 and IAU2015 comparisons of physical constants
\caption{Physical constants in \ccl. \label{tab:constants}}
\begin{tabular}{lccccccccc}
\hline\hline
- & $G_{Newt}$ & $k_b$ & $\sigma_{SB}$ & $h$ & $c$ & eV & $M_\odot$ & pc \\
+ & $G_{Newt}$ & $k_b$ & $\sigma_{SB}$ & $h$ & $c$ & eV & $\rho_c$ & $M_\odot$ & pc \\
\hline
-NIST & -3.0e-05 & -1.4e-06 & -5.9e-06 & 1.6e-07 & 0.0e+00 & 8.4e-08 & \--- & \--- \\[3pt]
- PDG 2013 & -6.0e-05 & -1.1e-06 & -4.8e-06 & 9.2e-08 & 0.0e+00 & 4.9e-08 & -2.0e-04 & 1.1e-09 \\[3pt]
-GSL & -1.9e-04 & 0.0e+00 & 0.0e+00 & 0.0e+00 & 0.0e+00 & 0.0e+00 & 0.0e+00 & -4.5e-11 \\ [3pt]
-CLASS & 0.0e+00 & 0.0e+00 & \--- & 0.0e+00 & 0.0e+00 & 0.0e+00 & \--- & -6.7e-11
+PDG 2013 & 6.0e-05 & 1.1e-06 & 4.8e-06 & 9.2e-08 & 0.0e+00 & 4.9e-08 & 2.5e-04 & 2.0e-04 & 1.1e-09 \\[3pt]
+NIST & 3.0e-05 & 1.4e-06 & 5.9e-06 & 1.6e-07 & 0.0e+00 & 8.4e-08 & \--- & \--- & \--- \\[3pt]
+GSL 2.4 & 1.9e-04 & 2.9e-07 & 8.4e-08 & 1.6e-07 & 1.5e-06 & 2.2e-06 & \--- & 0.0e+00 & 7.8e-07 \\[3pt]
+CLASS & 0.0e+00 & 0.0e+00 & \--- & 0.0e+00 & 0.0e+00 & 0.0e+00 & \--- & \--- & 6.7e-11 \\[3pt]
+CODATA 2014 & 3.0e-05 & 1.4e-06 & 5.9e-06 & 1.6e-07 & 0.0e+00 & 8.4e-08 & \--- & \--- & \--- \\[3pt]
+IAU 2015 & 3.0e-05 & \--- & \--- & \--- & \--- & \--- & \--- & 2.2e-04 & \--- \\
\\\hline\hline
\end{tabular}
\end{center}
