Version 4.0.0, tested with WP 5.8, and update changelog (#77)

* Version 4.0.0, tested with WP 5.8, and update changelog

* Whitespace

Author: skeltoac

object-cache.php

@@ -3,7 +3,7 @@
 /*
 Plugin Name: Memcached
 Description: Memcached backend for the WP Object Cache.
-Version: 3.2.2
+Version: 4.0.0
 Plugin URI: https://wordpress.org/plugins/memcached/
 Author: Ryan Boren, Denis de Bernardy, Matt Martz, Andy Skelton
 
@@ -535,7 +535,7 @@ function flush_prefix( $group ) {
 			$number = $this->get_global_flush_number();
 		} else {
 			$number = $this->get_blog_flush_number();
-			}
+		}
 		return $number . ':';
 	}
 

readme.txt

@@ -2,8 +2,8 @@
 Contributors: ryan, sivel, andy, nacin, barry, ethitter, nickdaugherty, batmoo, simonwheatley, jenkoian, bor0, aidvu
 Tags: cache, memcached
 Requires at least: 5.3
-Tested up to: 5.4.1
-Stable tag: 3.2.2
+Tested up to: 5.8
+Stable tag: 4.0.0
 Requires PHP: 5.6.20
 
 Use memcached and the PECL memcache extension to provide a backing store for the WordPress object cache.
@@ -83,6 +83,10 @@ widget
 
 == Changelog ==
 
+= 4.0.0 =
+* Add preemptive filter pre_wp_cache_get
+* Add flush_number replication to prevent accidental flush due to flush_number eviction, server rotation, etc.
+
 = 3.2.2 =
 * Remove filter, and base key stripping on presence of `key_salt`