Added get_dir_file_info(), get_file_info(), and get_mime_by_extension() to the File Helper.

Changed ( ! condition) into (! condition) within the code
diff --git a/user_guide/libraries/email.html b/user_guide/libraries/email.html
index a936142..fb784a7 100644
--- a/user_guide/libraries/email.html
+++ b/user_guide/libraries/email.html
@@ -250,7 +250,7 @@
 <p>The Email sending function. Returns boolean TRUE or FALSE based on success or failure, enabling it to be used

 conditionally:</p>

 

-<code>if ( ! $this->email->send())<br />

+<code>if (! $this->email->send())<br />

 {<br />

 &nbsp;&nbsp;&nbsp;&nbsp;// Generate error<br />

 }</code>