Add an spkac manual page and fix the pkcs7 manpage.
diff --git a/doc/man/pkcs7.pod b/doc/man/pkcs7.pod
index a2ebaac..0514c5d 100644
--- a/doc/man/pkcs7.pod
+++ b/doc/man/pkcs7.pod
@@ -12,6 +12,8 @@
 [B<-in filename>]
 [B<-out filename>]
 [B<-print_certs>]
+[B<-text>]
+[B<-noout>]
 
 =head1 DESCRIPTION