Simplify wildcard logic, alleviate lock contention when flushing a large number of different wildcards.

Add ability to set options with memcached PECL package.  Set sane defaults.  Document.  Patch thanks to nnewton.

truncated by memcache leading to collisions.

extension use its implementation, otherwise make multiple gets.

extension.

Patch thanks to chx.

Add support for wild card flushing, without flushing an entire bin.
Patch thanks to David Strauss.

Minimally updated README and INSTALLATION docs.
NOTE: memcache.db.inc and memcache-session.inc are note yet ported.

* Update INSTALLATION.txt and README.txt

  * Fixed SQL Error in memcache.db.inc
  * Added CACHE_TEMPORARY memcache caching to memcache.db.inc (full page cache and other things weren't going in)
  * Small code cleanup in memcache.db.inc
  * Changed MENU_DEFAULT_LOCAL_TASK to MENU_LOCAL_TASK in memcache_admin.module
  * Updated README.txt for memcache-session.inc

Added:
  * patches directory to hold all of the patches
  * Drupal 5.0 - 5.6 patches for core

Removed:
  * Old core serialization patch that only "kinda" applied to certain versions. Should be easier
    to know which version to use now.

Fix for cache_clear_all issue in issue #199483.  Combined patches posted by Reg, firebus and robertDouglass.
Fixes both memcache.inc and memcache.db.inc.

#154996 by lyricnz; smarter inclusion of .js file (for memcache stats) and registering of shutdown function.

rob discovers hook_devel_cache and promptly simplifies the install and uninstall hooks for memcache.