Update Config lib docs
diff --git a/user_guide_src/source/libraries/config.rst b/user_guide_src/source/libraries/config.rst
index 08d9c29..54aa70b 100644
--- a/user_guide_src/source/libraries/config.rst
+++ b/user_guide_src/source/libraries/config.rst
@@ -9,7 +9,16 @@
.. note:: This class is initialized automatically by the system so there
is no need to do it manually.
-.. contents:: Page Contents
+.. contents::
+ :local:
+
+.. raw:: html
+
+ <div class="custom-index container"></div>
+
+*****************************
+Working with the Config Class
+*****************************
Anatomy of a Config File
========================
@@ -157,27 +166,86 @@
that you wish to change for your environment. The config items declared in your environment
folders always overwrite those in your global config files.
-Helper Functions
-================
-The config class has the following helper functions:
+***************
+Class Reference
+***************
-$this->config->site_url();
-***************************
+.. class:: CI_Config
-This function retrieves the URL to your site, along with the "index"
-value you've specified in the config file.
+ .. attribute:: $config
-$this->config->base_url();
-***************************
+ Array of all loaded config values
-This function retrieves the URL to your site, plus an optional path such
-as to a stylesheet or image.
+ .. attribute:: $is_loaded
-The two functions above are normally accessed via the corresponding
-functions in the :doc:`URL Helper </helpers/url_helper>`.
+ Array of all loaded config files
-$this->config->system_url();
-*****************************
-This function retrieves the URL to your system folder.
+ .. method:: item($item[, $index=''])
+
+ :param string $item: config item name
+ :param string $index: index name, if the item is an element in a config
+ item that is itself an array.
+ :returns: mixed - the config item or FALSE if it does not exist
+
+ Fetch a config file item.
+
+
+ .. method:: set_item($item, $value)
+
+ :param string $item: config item name
+ :param string $value: config item value
+ :returns: void
+
+ Sets a config file item to the specified value.
+
+
+ .. method:: slash_item($item)
+
+ :param string $item: config item name
+ :returns: moxied - the config item (slashed) or FALSE if it does not exist
+
+ This method is identical to :meth:item:, except it appends a forward
+ slash to the end of the item, if it exists.
+
+
+ .. method:: load([$file = ''[, $use_sections = FALSE[, $fail_gracefully = FALSE]]])
+
+ :param string $file: Configuration file name
+ :param bool $use_sections: Whether config values shoud be loaded into
+ their own section (index of the main config array)
+ :param bool $fail_gracefully: Whether to return FALSE or to display an
+ error message
+ :returns: bool
+
+ Loads a configuration file.
+
+
+ .. method:: site_url()
+
+ :returns: string
+
+ This method retrieves the URL to your site, along with the "index" value
+ you've specified in the config file.
+
+ This method is normally accessed via the corresponding functions in the
+ :doc:`URL Helper </helpers/url_helper>`.
+
+
+ .. method:: base_url()
+
+ :returns: string
+
+ This method retrieves the URL to your site, plus an optional path such
+ as to a stylesheet or image.
+
+ This method is normally accessed via the corresponding functions in the
+ :doc:`URL Helper </helpers/url_helper>`.
+
+
+ .. method:: system_url()
+
+ :returns: string
+
+ This method retrieves the URL to your system folder.