Update versions

Author: estolfo

lib/mongo/event.rb

@@ -28,7 +28,7 @@ module Event
 
     # When a server is to be removed from a cluster.
     #
-    # @since 2.0.5
+    # @since 2.0.6
     DESCRIPTION_CHANGED = 'description_changed'.freeze
   end
 end

lib/mongo/event/description_changed.rb

@@ -18,7 +18,7 @@ module Event
 
     # This handles a change in description.
     #
-    # @since 2.0.5
+    # @since 2.0.6
     class DescriptionChanged
 
       # @return [ Mongo::Cluster ] cluster The event publisher.

lib/mongo/operation/read_preferrable.rb

@@ -22,7 +22,7 @@ module ReadPreferrable
 
       # The constant for slave ok flags.
       #
-      # @since 2.0.5
+      # @since 2.0.6
       SLAVE_OK = :slave_ok
 
       private

lib/mongo/server/description.rb

@@ -493,7 +493,7 @@ def replica_set_member?
       #
       # @return [ true, false ] Whether the objects are equal.
       #
-      # @since 2.0.5
+      # @since 2.0.6
       def ==(other)
         return false if self.class != other.class
         config == other.config