Update to fix email detectin becuase "very.unusual.@.unusual.com"@example.com...

Update to fix email detectin becuase "very.unusual.@.unusual.com"@example.com is apprently a vlaid email wtf

lib/ldap-auth.php

@@ -36,8 +36,12 @@ function ldapAuth($username, $password) {
 		// people like to use emails to login so lets detect and strip
 		if(filter_var($username, FILTER_VALIDATE_EMAIL)){
 			//valid email, lets strip
-			$parts = explode("@", $username);
-			$username = $parts[0];
+			// split the email into a string array "@" as a delim
+			$s = explode("@",$username);
+			// remove the last element (domain)
+			array_pop($s);
+			// put the array back togther using "@" as a seperator
+			$username = implode("@",$s);
 		}
 
 		// ldap servers