diff --git a/application/config/user_agents.php b/application/config/user_agents.php
index e2d3c3a..4746f2f 100644
--- a/application/config/user_agents.php
+++ b/application/config/user_agents.php
@@ -126,6 +126,7 @@
 					'sendo'				=> "Sendo",
 
 					// Operating Systems
+					'android'				=> "Android",
 					'symbian'				=> "Symbian",
 					'SymbianOS'				=> "SymbianOS",
 					'elaine'				=> "Palm",
diff --git a/system/core/CodeIgniter.php b/system/core/CodeIgniter.php
index 0a1391d..aca4fb2 100755
--- a/system/core/CodeIgniter.php
+++ b/system/core/CodeIgniter.php
@@ -39,7 +39,7 @@
 	 * @var string
 	 *
 	 */
-	define('CI_VERSION', '2.0.2');
+	define('CI_VERSION', '2.1.0-dev');
 
 /**
  * CodeIgniter Branch (Core = TRUE, Reactor = FALSE)
diff --git a/system/libraries/Migration.php b/system/libraries/Migration.php
index 3943ec1..3734e18 100644
--- a/system/libraries/Migration.php
+++ b/system/libraries/Migration.php
@@ -57,7 +57,7 @@
 		}
 
 		// If not set, set it
-		$this->_migration_path == '' OR $this->_migration_path = APPPATH . 'migrations/';
+		$this->_migration_path == '' AND $this->_migration_path = APPPATH . 'migrations/';
 
 		// Add trailing slash if not set
 		$this->_migration_path = rtrim($this->_migration_path, '/').'/';
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 33e0a62..978b710 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -65,6 +65,7 @@
 <ul>
 	<li>General Changes
 		<ul>
+			<li class="reactor">Added Android to the list of user agents.</li>
 			<li class="reactor">Callback validation rules can now accept parameters like any other validation rule.</li>
 			<li class="reactor">Ability to log certain error types, not all under a threshold.</li>
 			<li class="reactor">Added html_escape() to <a href="general/common_functions.html">Common functions</a> to escape HTML output for preventing XSS.</li>
diff --git a/user_guide/database/active_record.html b/user_guide/database/active_record.html
index 92d9614..0f09e78 100644
--- a/user_guide/database/active_record.html
+++ b/user_guide/database/active_record.html
@@ -79,9 +79,6 @@
 
 <p>The following functions allow you to build SQL <strong>SELECT</strong> statements.</p>
 
-<p><strong>Note: If you are using PHP 5 you can use method chaining for more compact syntax. This is described at the end of the page.</strong></p>
-
-
 <h2>$this->db->get();</h2>
 
 <p>Runs the selection query and returns the result.  Can be used by itself to retrieve all records from a table:</p>
@@ -532,7 +529,7 @@
 <p>Generates an insert string based on the data you supply, and runs the query. You can either pass an
 <strong>array</strong> or an <strong>object</strong> to the function.  Here is an example using an array:</p>
 
-<code> 
+<code>
 $data = array(<br/>
 &nbsp;&nbsp;&nbsp;array(<br />
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'title' => 'My title' ,<br />
@@ -544,7 +541,7 @@
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'name' => 'Another Name' ,<br />
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'date' => 'Another date'<br />
 &nbsp;&nbsp;&nbsp;)<br/>
-);<br /> 
+);<br />
 <br />
 $this->db->update_batch('mytable', $data);
 <br /><br />