Merge branch '3.0-stable' into develop

Resolved conflicts:
	system/core/CodeIgniter.php
	user_guide_src/source/changelog.rst
	user_guide_src/source/conf.py
	user_guide_src/source/installation/downloads.rst
	user_guide_src/source/installation/upgrading.rst

6 files changed, 58 insertions, 4 deletions

diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index 8e1789fb9..938df9a8b 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -26,11 +26,26 @@ Release Date: Not Released
    -  Updated :doc:`HTML Helper <helpers/html_helper>` function :php:func:`meta()` with support for "charset" and "property" properties.
    -  Changed :doc:`HTML Helper <helpers/html_helper>` function :php:func:`doctype()` default document type to HTML 5.
 
-Version 3.0.5
+Version 3.0.6
 =============
 
 Release Date: Not Released
 
+
+Version 3.0.5
+=============
+
+Release Date: March 11, 2016
+
+-  Core
+
+   -  Changed :doc:`Loader Library <libraries/loader>` to allow ``$autoload['drivers']`` assigning with custom property names.
+   -  Changed :doc:`Loader Library <libraries/loader>` to ignore variables prefixed with '_ci_' when loading views.
+
+-  General Changes
+
+   -  Updated the :doc:`Session Library <libraries/sessions>` to produce friendlier error messages on failures with drivers other than 'files'.
+
 -  :doc:`Query Builder <database/query_builder>`
 
    -  Added a ``$batch_size`` parameter to the ``insert_batch()`` method (defaults to 100).
@@ -47,11 +62,21 @@ Bug fixes for 3.0.5
 -  Fixed a regression in :doc:`Form Helper <helpers/form_helper>` functions :php:func:`set_checkbox()`, :php:func:`set_radio()` where "checked" inputs aren't recognized after a form submit.
 -  Fixed a bug (#4407) - :doc:`Text Helper <helpers/text_helper>` function :php:func:`word_censor()` doesn't work under PHP 7 if there's no custom replacement provided.
 -  Fixed a bug (#4415) - :doc:`Form Validation Library <libraries/form_validation>` rule **valid_url** didn't accept URLs with IPv6 addresses enclosed in square brackets under PHP 5 (upstream bug).
--  Fixed a bug (#4427) - :doc:`CAPTCHA Helper <helpers/capcha_helper>` triggers an error if the provided character pool is too small.
+-  Fixed a bug (#4427) - :doc:`CAPTCHA Helper <helpers/captcha_helper>` triggers an error if the provided character pool is too small.
 -  Fixed a bug (#4430) - :doc:`File Uploading Library <libraries/file_uploading>` option **file_ext_tolower** didn't work.
 -  Fixed a bug (#4431) - :doc:`Query Builder <database/query_builder>` method ``join()`` discarded opening parentheses.
 -  Fixed a bug (#4424) - :doc:`Session Library <libraries/sessions>` triggered a PHP warning when writing a newly created session with the 'redis' driver.
 -  Fixed a bug (#4437) - :doc:`Inflector Helper <helpers/inflector_helper>` function :php:func:`humanize()` didn't escape its ``$separator`` parameter while using it in a regular expression.
+-  Fixed a bug where :doc:`Session Library <libraries/sessions>` didn't properly handle its locks' statuses with the 'memcached' driver.
+-  Fixed a bug where :doc:`Session Library <libraries/sessions>` triggered a PHP warning when writing a newly created session with the 'memcached' driver.
+-  Fixed a bug (#4449) - :doc:`Query Builder <database/query_builder>` method ``join()`` breaks conditions containing ``IS NULL``, ``IS NOT NULL``.
+-  Fixed a bug (#4491) - :doc:`Session Library <libraries/sessions>` didn't clean-up internal variables for emulated locks with the 'redis' driver.
+-  Fixed a bug where :doc:`Session Library <libraries/sessions>` didn't clean-up internal variables for emulated locks with the 'memcached' driver.
+-  Fixed a bug where :doc:`Database <database/index>` transactions didn't work with the 'ibase' driver.
+-  Fixed a bug (#4475) - :doc:`Security Library <libraries/security>` method ``strip_image_tags()`` preserves only the first URL character from non-quoted *src* attributes.
+-  Fixed a bug where :doc:`Profiler Library <general/profiling>` didn't apply ``htmlspecialchars()`` to all displayed inputs.
+-  Fixed a bug (#4277) - :doc:`Cache Library <libraries/caching>` triggered fatal errors if accessing the Memcache(d) and/or Redis driver and they are not available on the system.
+-  Fixed a bug where :doc:`Cache Library <libraries/caching>` method ``is_supported()`` logged an error message on when it returns ``FALSE`` for the APC and Wincache drivers.
 
 Version 3.0.4
 =============
diff --git a/user_guide_src/source/database/db_driver_reference.rst b/user_guide_src/source/database/db_driver_reference.rst
index 75d1538bd..db0c67118 100644
--- a/user_guide_src/source/database/db_driver_reference.rst
+++ b/user_guide_src/source/database/db_driver_reference.rst
@@ -226,6 +226,13 @@ This article is intended to be a reference for them.
 		and ``_`` wildcard characters, so that they don't cause
 		false-positives in LIKE conditions.
 
+		.. important:: The ``escape_like_str()`` method uses '!' (exclamation mark)
+			to escape special characters for *LIKE* conditions. Because this
+			method escapes partial strings that you would wrap in quotes
+			yourself, it cannot automatically add the ``ESCAPE '!'``
+			condition for you, and so you'll have to manually do that.
+
+
 	.. php:method:: primary($table)
 
 		:param	string	$table: Table name
diff --git a/user_guide_src/source/database/queries.rst b/user_guide_src/source/database/queries.rst
index 43a0a30bf..d4ffd16cf 100644
--- a/user_guide_src/source/database/queries.rst
+++ b/user_guide_src/source/database/queries.rst
@@ -123,7 +123,13 @@ this:
 
         $search = '20% raise'; 
         $sql = "SELECT id FROM table WHERE column LIKE '%" .
-            $this->db->escape_like_str($search)."%'";
+            $this->db->escape_like_str($search)."%' ESCAPE '!'";
+
+.. important:: The ``escape_like_str()`` method uses '!' (exclamation mark)
+	to escape special characters for *LIKE* conditions. Because this
+	method escapes partial strings that you would wrap in quotes
+	yourself, it cannot automatically add the ``ESCAPE '!'``
+	condition for you, and so you'll have to manually do that.
 
 
 **************
diff --git a/user_guide_src/source/installation/downloads.rst b/user_guide_src/source/installation/downloads.rst
index c7211c1de..8c2a56c5b 100644
--- a/user_guide_src/source/installation/downloads.rst
+++ b/user_guide_src/source/installation/downloads.rst
@@ -3,7 +3,8 @@ Downloading CodeIgniter
 #######################
 
 -  `CodeIgniter v3.1.0-dev (Current version) <https://codeload.github.com/bcit-ci/CodeIgniter/zip/develop>`_
--  `CodeIgniter v3.0.5-dev <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.0-stable>`_
+-  `CodeIgniter v3.0.6-dev <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.0-stable>`_
+-  `CodeIgniter v3.0.5 <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.0.5>`_
 -  `CodeIgniter v3.0.4 <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.0.4>`_
 -  `CodeIgniter v3.0.3 <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.0.3>`_
 -  `CodeIgniter v3.0.2 <https://codeload.github.com/bcit-ci/CodeIgniter/zip/3.0.2>`_
diff --git a/user_guide_src/source/installation/upgrade_306.rst b/user_guide_src/source/installation/upgrade_306.rst
new file mode 100644
index 000000000..e9c4bdd79
--- /dev/null
+++ b/user_guide_src/source/installation/upgrade_306.rst
@@ -0,0 +1,14 @@
+#############################
+Upgrading from 3.0.5 to 3.0.6
+#############################
+
+Before performing an update you should take your site offline by
+replacing the index.php file with a static one.
+
+Step 1: Update your CodeIgniter files
+=====================================
+
+Replace all files and directories in your *system/* directory.
+
+.. note:: If you have any custom developed files in these directories,
+	please make copies of them first.
diff --git a/user_guide_src/source/installation/upgrading.rst b/user_guide_src/source/installation/upgrading.rst
index 2aaaa2350..12a30d181 100644
--- a/user_guide_src/source/installation/upgrading.rst
+++ b/user_guide_src/source/installation/upgrading.rst
@@ -9,6 +9,7 @@ upgrading from.
 	:titlesonly:
 
 	Upgrading from 3.0.x to 3.1.x <upgrade_310>
+	Upgrading from 3.0.5 to 3.0.6 <upgrade_306>
 	Upgrading from 3.0.4 to 3.0.5 <upgrade_305>
 	Upgrading from 3.0.3 to 3.0.4 <upgrade_304>
 	Upgrading from 3.0.2 to 3.0.3 <upgrade_303>