added language support for characters and kilobytes in validator library.

application/lang/en/validation.php

@@ -2,6 +2,12 @@
 
 return array(
 
+	/*
+	|--------------------------------------------------------------------------
+	| Validation Error Messages
+	|--------------------------------------------------------------------------
+	*/
+
 	"accepted"   => "The :attribute must be accepted.",
 	"active_url" => "The :attribute does not exist.",
 	"alpha"      => "The :attribute may only contain letters.",
@@ -23,4 +29,14 @@ return array(
 	"unique"     => "The :attribute has already been taken.",
 	"url"        => "The :attribute format is invalid.",	
 
+	/*
+	|--------------------------------------------------------------------------
+	| The following words are appended to the "size" messages when applicable,
+	| such as when validating string lengths or the size of file uploads.
+	|--------------------------------------------------------------------------
+	*/
+
+	"characters" => "characters",
+	"kilobytes"  => "kilobytes",
+
 );

system/validator.php

@@ -431,7 +431,9 @@ class Validator {
 			// the default error message appropriately.
 			if (in_array($rule, $this->size_rules) and ! is_numeric($this->attributes[$attribute]))
 			{
-				return (array_key_exists($attribute, $_FILES)) ? rtrim($message, '.').' kilobytes.' : rtrim($message, '.').' characters.';
+				return (array_key_exists($attribute, $_FILES))
+                                                 ? rtrim($message, '.').' '.Lang::line('validation.kilobytes')->get().'.'
+                                                 : rtrim($message, '.').' '.Lang::line('validation.characters')->get().'.';
 			}
 
 			return $message;