Added "docs" for Pareto and Weibull distributions.

Doc/lib/librandom.tex

@@ -71,6 +71,14 @@ distribution reduces to a uniform random angle over the range 0 to
 \code{2*pi}.
 \end{funcdesc}
 
+\begin{funcdesc}{paretovariate}{alpha}
+Pareto distribution.  \var{alpha} is the shape parameter.
+\end{funcdesc}
+
+\begin{funcdesc}{weibullvariate}{alpha, beta}
+Weibull distribution.  \var{alpha} is the scale parameter, and
+\var{beta} is the shape parameter.
+\end{funcdesc}
 
 \begin{seealso}
 \seemodule{whrandom}{the standard Python random number generator}

Doc/librandom.tex

@@ -71,6 +71,14 @@ distribution reduces to a uniform random angle over the range 0 to
 \code{2*pi}.
 \end{funcdesc}
 
+\begin{funcdesc}{paretovariate}{alpha}
+Pareto distribution.  \var{alpha} is the shape parameter.
+\end{funcdesc}
+
+\begin{funcdesc}{weibullvariate}{alpha, beta}
+Weibull distribution.  \var{alpha} is the scale parameter, and
+\var{beta} is the shape parameter.
+\end{funcdesc}
 
 \begin{seealso}
 \seemodule{whrandom}{the standard Python random number generator}