Capitalize "Python" for consistency.

Doc/api.tex

@@ -2014,7 +2014,7 @@ The current implementation keeps an array of integer objects for all
 integers between \code{-1} and \code{100}, when you create an int in
 that range you actually just get back a reference to the existing
 object. So it should be possible to change the value of \code{1}. I
-suspect the behaviour of python in this case is undefined. :-)
+suspect the behaviour of Python in this case is undefined. :-)
 \end{cfuncdesc}
 
 \begin{cfuncdesc}{long}{PyInt_AS_LONG}{PyIntObject *io}

Doc/api/api.tex

@@ -2014,7 +2014,7 @@ The current implementation keeps an array of integer objects for all
 integers between \code{-1} and \code{100}, when you create an int in
 that range you actually just get back a reference to the existing
 object. So it should be possible to change the value of \code{1}. I
-suspect the behaviour of python in this case is undefined. :-)
+suspect the behaviour of Python in this case is undefined. :-)
 \end{cfuncdesc}
 
 \begin{cfuncdesc}{long}{PyInt_AS_LONG}{PyIntObject *io}