incref the X509Req when returning an X509Name from get_subject which refers to it; this prevents a segfault if the X509Name outlives the X509Req; update docs to reflect this and to reflect previous similar changes which were apparently made to X509.get_subject and X509.get_issuer
diff --git a/doc/html/openssl-pkey.html b/doc/html/openssl-pkey.html
index 5fca9e2..b6cd3c2 100644
--- a/doc/html/openssl-pkey.html
+++ b/doc/html/openssl-pkey.html
@@ -47,25 +47,29 @@
 <BR>
 3.1.5 PKey objects 
 </H3>
+
 <P>
-<EM><EM><EM>The PKey object has the following methods:
-</EM></EM></EM>
+The PKey object has the following methods:
+
 <P>
 <dl><dt><b><a name='l2h-64'><tt class='method'>bits</tt></a></b>()
 <dd>
 Return the number of bits of the key.
 </dl>
+
 <P>
 <dl><dt><b><a name='l2h-65'><tt class='method'>generate_key</tt></a></b>(<var>type, bits</var>)
 <dd>
 Generate a public/private key pair of the type <var>type</var> (one of
 <tt class="constant">TYPE_RSA</tt> and <tt class="constant">TYPE_DSA</tt>) with the size <var>bits</var>.
 </dl>
+
 <P>
 <dl><dt><b><a name='l2h-66'><tt class='method'>type</tt></a></b>()
 <dd>
 Return the type of the key.
 </dl>
+
 <P>
 
 <DIV CLASS="navigation">