Merge pull request #112 from solisoft/master

[urgent] Fix for authenticate_pools and logout_pools

Author: TylerBrock

lib/mongo/repl_set_connection.rb

@@ -306,11 +306,11 @@ def slave_ok?
     end
 
     def authenticate_pools
-      pools.each { |pool| pool.authenticate_existing }
+      @manager.pools.each { |pool| pool.authenticate_existing }
     end
 
     def logout_pools(db)
-      pools.each { |pool| pool.logout_existing(db) }
+      @manager.pools.each { |pool| pool.logout_existing(db) }
     end
 
     # Generic socket checkout