Merge branch 'release/2.1.0'

Conflicts:
	user_guide/helpers/url_helper.html
diff --git a/user_guide/helpers/array_helper.html b/user_guide/helpers/array_helper.html
index 956c54e..92a11ed 100644
--- a/user_guide/helpers/array_helper.html
+++ b/user_guide/helpers/array_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/captcha_helper.html b/user_guide/helpers/captcha_helper.html
index 991c2d3..6c2671a 100644
--- a/user_guide/helpers/captcha_helper.html
+++ b/user_guide/helpers/captcha_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/cookie_helper.html b/user_guide/helpers/cookie_helper.html
index 3fbaa8f..2fde7f8 100644
--- a/user_guide/helpers/cookie_helper.html
+++ b/user_guide/helpers/cookie_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/date_helper.html b/user_guide/helpers/date_helper.html
index f930ea3..e705593 100644
--- a/user_guide/helpers/date_helper.html
+++ b/user_guide/helpers/date_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/directory_helper.html b/user_guide/helpers/directory_helper.html
index 5623d50..7fd7797 100644
--- a/user_guide/helpers/directory_helper.html
+++ b/user_guide/helpers/directory_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/download_helper.html b/user_guide/helpers/download_helper.html
index cabacf8..ccfe9ac 100644
--- a/user_guide/helpers/download_helper.html
+++ b/user_guide/helpers/download_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/email_helper.html b/user_guide/helpers/email_helper.html
index 10730d7..13ae220 100644
--- a/user_guide/helpers/email_helper.html
+++ b/user_guide/helpers/email_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/file_helper.html b/user_guide/helpers/file_helper.html
index 1194498..0296191 100644
--- a/user_guide/helpers/file_helper.html
+++ b/user_guide/helpers/file_helper.html
@@ -27,7 +27,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/form_helper.html b/user_guide/helpers/form_helper.html
index dd935eb..ce809e9 100644
--- a/user_guide/helpers/form_helper.html
+++ b/user_guide/helpers/form_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/html_helper.html b/user_guide/helpers/html_helper.html
index 92bfdfb..a8277fe 100644
--- a/user_guide/helpers/html_helper.html
+++ b/user_guide/helpers/html_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/inflector_helper.html b/user_guide/helpers/inflector_helper.html
index d7fa959..66982e8 100644
--- a/user_guide/helpers/inflector_helper.html
+++ b/user_guide/helpers/inflector_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/language_helper.html b/user_guide/helpers/language_helper.html
index 1102d7a..073c368 100644
--- a/user_guide/helpers/language_helper.html
+++ b/user_guide/helpers/language_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/number_helper.html b/user_guide/helpers/number_helper.html
index 1ee7cbb..c48987e 100644
--- a/user_guide/helpers/number_helper.html
+++ b/user_guide/helpers/number_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/path_helper.html b/user_guide/helpers/path_helper.html
index 103690c..00f4aa2 100644
--- a/user_guide/helpers/path_helper.html
+++ b/user_guide/helpers/path_helper.html
@@ -27,7 +27,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/security_helper.html b/user_guide/helpers/security_helper.html
index 7343da1..16d5c51 100644
--- a/user_guide/helpers/security_helper.html
+++ b/user_guide/helpers/security_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/smiley_helper.html b/user_guide/helpers/smiley_helper.html
index 6f1fa59..8bdd1df 100644
--- a/user_guide/helpers/smiley_helper.html
+++ b/user_guide/helpers/smiley_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/string_helper.html b/user_guide/helpers/string_helper.html
index a3dc165..3d7ba1c 100644
--- a/user_guide/helpers/string_helper.html
+++ b/user_guide/helpers/string_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
@@ -90,6 +90,17 @@
 <code>echo random_string('alnum', 16);</code>
 
 
+<h2>increment_string()</h2>
+
+<p>Increments a string by appending a number to it or increasing the number. Useful for creating "copies" or a file or duplicating database content which has unique titles or slugs.</p>
+
+<p>Usage example:</p>
+
+<code>echo increment_string('file', '_'); // "file_1"<br/>
+echo increment_string('file', '-', 2); // "file-2"<br/>
+echo increment_string('file-4'); // "file-5"<br/></code>
+
+
 <h2>alternator()</h2>
 
 <p>Allows two or more items to be alternated between, when cycling through a loop.  Example:</p>
diff --git a/user_guide/helpers/text_helper.html b/user_guide/helpers/text_helper.html
index 496eccb..9f0d22f 100644
--- a/user_guide/helpers/text_helper.html
+++ b/user_guide/helpers/text_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/typography_helper.html b/user_guide/helpers/typography_helper.html
index e7bd473..a6bd809 100644
--- a/user_guide/helpers/typography_helper.html
+++ b/user_guide/helpers/typography_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/url_helper.html b/user_guide/helpers/url_helper.html
index e60e96b..76ec32a 100644
--- a/user_guide/helpers/url_helper.html
+++ b/user_guide/helpers/url_helper.html
@@ -27,7 +27,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>
diff --git a/user_guide/helpers/xml_helper.html b/user_guide/helpers/xml_helper.html
index 0dbe557..f410b21 100644
--- a/user_guide/helpers/xml_helper.html
+++ b/user_guide/helpers/xml_helper.html
@@ -28,7 +28,7 @@
 <div id="masthead">
 <table cellpadding="0" cellspacing="0" border="0" style="width:100%">
 <tr>
-<td><h1>CodeIgniter User Guide Version 2.0.3</h1></td>
+<td><h1>CodeIgniter User Guide Version 2.1.0</h1></td>
 <td id="breadcrumb_right"><a href="../toc.html">Table of Contents Page</a></td>
 </tr>
 </table>