Changed version number, added upgrade instructions
diff --git a/user_guide/libraries/benchmark.html b/user_guide/libraries/benchmark.html
index 35ba9ce..9d286aa 100644
--- a/user_guide/libraries/benchmark.html
+++ b/user_guide/libraries/benchmark.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/calendar.html b/user_guide/libraries/calendar.html
index a21812e..499a432 100644
--- a/user_guide/libraries/calendar.html
+++ b/user_guide/libraries/calendar.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/config.html b/user_guide/libraries/config.html
index 5c62f8a..9196ea4 100644
--- a/user_guide/libraries/config.html
+++ b/user_guide/libraries/config.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/email.html b/user_guide/libraries/email.html
index d794d14..c38eafb 100644
--- a/user_guide/libraries/email.html
+++ b/user_guide/libraries/email.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/encryption.html b/user_guide/libraries/encryption.html
index 3cb42dc..a69577c 100644
--- a/user_guide/libraries/encryption.html
+++ b/user_guide/libraries/encryption.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/file_uploading.html b/user_guide/libraries/file_uploading.html
index 71b330f..01f9b68 100644
--- a/user_guide/libraries/file_uploading.html
+++ b/user_guide/libraries/file_uploading.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/ftp.html b/user_guide/libraries/ftp.html
index 4e97f18..898f769 100644
--- a/user_guide/libraries/ftp.html
+++ b/user_guide/libraries/ftp.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/image_lib.html b/user_guide/libraries/image_lib.html
index 22c71c4..87b68d2 100644
--- a/user_guide/libraries/image_lib.html
+++ b/user_guide/libraries/image_lib.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/input.html b/user_guide/libraries/input.html
index 4fef709..9efa301 100644
--- a/user_guide/libraries/input.html
+++ b/user_guide/libraries/input.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/language.html b/user_guide/libraries/language.html
index 139c2d5..e84773c 100644
--- a/user_guide/libraries/language.html
+++ b/user_guide/libraries/language.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/loader.html b/user_guide/libraries/loader.html
index d1784c5..4bc5d63 100644
--- a/user_guide/libraries/loader.html
+++ b/user_guide/libraries/loader.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/output.html b/user_guide/libraries/output.html
index ec76947..82c2187 100644
--- a/user_guide/libraries/output.html
+++ b/user_guide/libraries/output.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/pagination.html b/user_guide/libraries/pagination.html
index c83f71a..35c4350 100644
--- a/user_guide/libraries/pagination.html
+++ b/user_guide/libraries/pagination.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/parser.html b/user_guide/libraries/parser.html
index 880d2d4..2907b78 100644
--- a/user_guide/libraries/parser.html
+++ b/user_guide/libraries/parser.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/sessions.html b/user_guide/libraries/sessions.html
index 087d2d1..b212b69 100644
--- a/user_guide/libraries/sessions.html
+++ b/user_guide/libraries/sessions.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/table.html b/user_guide/libraries/table.html
index 8cd4a1e..f62d278 100644
--- a/user_guide/libraries/table.html
+++ b/user_guide/libraries/table.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/trackback.html b/user_guide/libraries/trackback.html
index 247347d..be6779f 100644
--- a/user_guide/libraries/trackback.html
+++ b/user_guide/libraries/trackback.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/unit_testing.html b/user_guide/libraries/unit_testing.html
index d97fa6d..401876b 100644
--- a/user_guide/libraries/unit_testing.html
+++ b/user_guide/libraries/unit_testing.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/uri.html b/user_guide/libraries/uri.html
index 7e8f2d7..b6d51be 100644
--- a/user_guide/libraries/uri.html
+++ b/user_guide/libraries/uri.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/user_agent.html b/user_guide/libraries/user_agent.html
index 9649b01..7772ade 100644
--- a/user_guide/libraries/user_agent.html
+++ b/user_guide/libraries/user_agent.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/validation.html b/user_guide/libraries/validation.html
index dc74439..0f8b141 100644
--- a/user_guide/libraries/validation.html
+++ b/user_guide/libraries/validation.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/xmlrpc.html b/user_guide/libraries/xmlrpc.html
index 5a6bebc..5f55638 100644
--- a/user_guide/libraries/xmlrpc.html
+++ b/user_guide/libraries/xmlrpc.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>
diff --git a/user_guide/libraries/zip.html b/user_guide/libraries/zip.html
index fabe8a4..3df99bf 100644
--- a/user_guide/libraries/zip.html
+++ b/user_guide/libraries/zip.html
@@ -33,7 +33,7 @@
<div id="masthead">
<table cellpadding="0" cellspacing="0" border="0" style="width:100%">
<tr>
-<td><h1>Code Igniter User Guide Version 1.5.1</h1></td>
+<td><h1>Code Igniter User Guide Version 1.5.2</h1></td>
<td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
</tr>
</table>