re.findall(): Mark as added in 1.5.2.

Doc/lib/libre.tex

@@ -411,6 +411,7 @@ leftmost such \character{\#} through the end of the line are ignored.
 \end{funcdesc}
 
 \begin{funcdesc}{findall}{pattern, string}
+\versionadded{1.5.2}
 Return a list of all non-overlapping matches of \var{pattern} in
 \var{string}.  If one or more groups are present in the pattern,
 return a list of groups; this will be a list of tuples if the pattern