boost 6.x-1.18

Notes:
It's been too long, here is next version of Boost!

Known Issues (nothing new AFAIK, just some old bugs that haven't been fixed yet):
#663014: WSOD after installing boost on PHP 4 server - Rare bug, looking for tester who can reproduce the original issue.
#661856: ubercart ignores the first item added to the cart. - This thread might be of interest: #679422: hook_exit() causes Ubercart "Add to Cart" to fail
#673302: fatal error with ubercart after installation - Looking for more info on this one
#328143: Set session cookie so captcha works the first time

Bug Fixes:
#648242: Missing slash in RewriteCond using $drupal_subdir
#648758: Logic??
#651798: mysql_real_escape_string() expects parameter 1 to be string because page_id is an array
#619852: undefined function boost_views_pre_view - Fix for some 3rd party module that implements the views hook incorrectly.
#652508: Views cache not cleared on insert node
#653098: Fuss about boost_stats.php line in robots.txt
#653928: Gzip encoding when not necessary
#657820: URL variables & Boost
#657960: Cannot modify header information - headers already sent
#661396: Add appropriate index to boost tables
#627638: Character encoding of cached paged not same as live pages
#664720: Installation does not work correctly with certain versions of MySQL
#662766: mysqli_real_escape_string() expects parameter 2 to be string, array given
#668156: Improve check in boost_requirements()
#668188: Form validator uses old data
#668160: Watchdog: boost_cache_set_node_relationships() child_page_* was not set
#668274: Database schema issue observed
#672776: boost_put_db should not throw Duplicate entry error; happens when un-cached node get hammered.
#674664: Boost breaks W3 XHTML/HTML5 validation
#677718: WYSIWYG editor support (add '#wysiwyg' => FALSE)
#677804: file_put_contents() generates errors in report status page
#615676: SHOW command is not PostgreSQL compatible
#679050: Option to ignore warning about .htaccess contents
#686722: Check that gzencode actually exists
#673874: array_unique() error

Feature Requests:
#646002: Want to turn off frontpage expiration of promoted nodes?
#302099: Change .htaccess file supplied with Boost to rewrite HEAD requests to the static files as well
#645900: Why is this impossible?
#646868: RFC2616 compliance - Handle client reload requests
#661298: Allow for non alias URLs to not be cached

Tasks:
#177845: Authenticated users incorrectly served cached pages
#637002: Double index creation & PostgreSQL
#646228: Object of class stdClass could not be converted to string
#339571: Dependency on mod_headers
#668406: Split the expiration logic from Boost advanced settings page

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