Issue #2415109 by Josh Waihi: PHP Fatal error: Cannot pass parameter 2 by reference in /sites/all/modules/contrib/memcache/dmemcache.inc on line 375
Update documentation, recommend database for cache_form
Issue #1536222: backport README cleanups from D7
Issue #2382225: document using SASL with memcache
Issue #2329437: backport documentation fix from D7
Issue #2377587 allow configurable disabling of stampede protection, backported
Issue #1184678: failure tolerance fixes for Drupal 6
Issue #1184678: enhance fault tolernace
Issue #1807914 by markpavlitski, erikwebb: Name collision between hook_menu and hook_admin_menu
Issue #1733674, only collect statistics if enabled; improved stats
Issue 2379883 backported from D7, fix lock renewal logic
Issue #2379897 backported from d7, only release locks we own
Issue #2367609 backported and much cleanup to initialization and error reporting
backport 1613622 from D7, properly handle long keys
Add comments to backported core functions.
Port #435694 to D6, split large objects
Issue #2056373 by damiankloip, jhedstrom, slashrsm, msonnabaum: Implement cache tag support
Issue #2419757 by Jeremy, Fabianx, steel-track: Stampede Protection can cause performance degradation for some cache bins
Issue #2413663 by Jeremy: Notice: Undefined index in lock_release()
Issue #2415109 by Jeremy, sirnjeet: Fix unserialize() notice, enforce order when retrieving multiple pieces from multiple servers
Issue #2366709 by DamienMcKenna, hamuchen, Jeremy: memcache_requirements() returns 'failed to store then retrieve data' on Windows
Fix a couple of typos in the word 'memcache'.
Issue #2405133 by func0der, Jeremy: Undefined function format_size()
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