corrected references to Input class since the Security methods are now their own library. Fixes #31
diff --git a/user_guide/nav/nav.js b/user_guide/nav/nav.js
index ce87f48..909a0dd 100644
--- a/user_guide/nav/nav.js
+++ b/user_guide/nav/nav.js
@@ -83,7 +83,7 @@
'<li><a href="'+base+'libraries/ftp.html">FTP Class</a></li>' +
'<li><a href="'+base+'libraries/table.html">HTML Table Class</a></li>' +
'<li><a href="'+base+'libraries/image_lib.html">Image Manipulation Class</a></li>' +
- '<li><a href="'+base+'libraries/input.html">Input and Security Class</a></li>' +
+ '<li><a href="'+base+'libraries/input.html">Input Class</a></li>' +
'<li><a href="'+base+'libraries/loader.html">Loader Class</a></li>' +
'<li><a href="'+base+'libraries/language.html">Language Class</a></li>' +
'<li><a href="'+base+'libraries/output.html">Output Class</a></li>' +