Add lib/, t/lib/, and sandbox/. All modules are updated and passing on MySQL 5.1.

t/lib/samples/char-chunking/ascii.sql

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+DROP TABLE IF EXISTS `ascii`;
+CREATE TABLE `ascii` (
+  `i` int(11) NOT NULL AUTO_INCREMENT,
+  `c` char(64) NOT NULL,
+  PRIMARY KEY (`i`),
+  UNIQUE KEY `c` (`c`)
+) ENGINE=MyISAM AUTO_INCREMENT=143 DEFAULT CHARSET=latin1;
+INSERT INTO `ascii` VALUES (1,''),(2,'M'),(3,'007'),(4,'Penelope'),(5,'Nick'),(6,'Ed'),(7,'Jennifer'),(8,'johnny'),(9,'Bette'),(10,'Grace'),(11,'matthew'),(12,'joe'),(13,'christian'),(14,'zero'),(15,'karl'),(16,'uma'),(17,'vivien'),(18,'Cuba'),(19,'Fred'),(20,'Helen'),(21,'Dan'),(22,'Bob'),(23,'<[MEGATRON]>'),(24,'Lucille'),(25,'Kirsten'),(26,'Elvis'),(27,'Sandra'),(28,'Cameron'),(29,'Kevin'),(30,'Rip'),(31,'Julia'),(32,'Jean-Luc'),(33,'Woody'),(34,'Alec'),(35,'Sissy'),(36,'tim'),(37,'milla'),(38,'audrey'),(39,'judy'),(40,'burt'),(41,'val'),(42,'tom'),(43,'goldie'),(44,'jodie'),(45,'kirk'),(46,'reese'),(47,'parker'),(48,'Frances'),(49,'Anne'),(50,'Natalie'),(51,'Gary'),(52,'Carmen'),(53,'@the ball park'),(54,'Mena'),(55,'Fay'),(56,'Jude'),(57,'Dustin'),(58,'Henry'),(59,'jayne'),(60,'Ray'),(61,'Angela'),(62,'Mary'),(63,'Jessica'),(64,'kenneth'),(65,'Michelle'),(66,'adam'),(67,'Sean'),(68,'Angelina'),(69,'Cary'),(70,'Groucho'),(71,'Mae'),(72,'Ralph'),(73,'Scarlett'),(74,'Ben'),(75,'bling$$$'),(76,'James'),(77,'Minnie'),(78,'Greg'),(79,'spencer'),(80,'charlize'),(81,'christopher'),(82,'Ellen'),(83,'Daryl'),(84,'Gene'),(85,'Meg'),(86,'Chris'),(87,'jim'),(88,'susan'),(89,'walter'),(90,'sidney'),(91,'gina'),(92,'warren'),(93,'Sylvester'),(94,'Russell'),(95,'Morgan'),(96,'Harrison'),(97,'Renee'),(98,'Liza'),(99,'Salma'),(100,'Julianne'),(101,'Albert'),(102,'Cate'),(103,'Greta'),(104,'jane'),(105,'richard'),(106,'rita'),(107,'ewan'),(108,'whoopi'),(109,'jada'),(110,'River'),(111,'Kim'),(112,'Emily'),(113,'Geoffrey'),(114,'meryl'),(115,'Ian'),(116,'Laura'),(117,'Harvey'),(118,'Oprah'),(119,'Humphrey'),(120,'Al'),(121,'laurence'),(122,'will'),(123,'olympia'),(124,'alan'),(125,'michael'),(126,'william'),(127,'jon'),(128,'Mr. Peanut'),(129,'Mr. Rogers'),(130,'lisa'),(131,'Jeff'),(132,'Debbie'),(133,'Rock'),(134,'Gregory'),(135,'John'),(136,'Bela'),(137,'Thora'),(138,'Zesus'),(139,'Zesus!'),(140,'Zesus!!'),(141,'ZESUS!!!'),(142,'001');

t/lib/samples/char-chunking/latin1_chars.sql

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+DROP TABLE IF EXISTS `latin1_chars`;
+CREATE TABLE `latin1_chars` (
+  `c` varchar(1) NOT NULL,
+  UNIQUE KEY `c` (`c`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1;
+SET NAMES 'latin1';
+INSERT IGNORE INTO `latin1_chars` VALUES (CHAR(32)), (CHAR(33)), (CHAR(34)), (CHAR(35)), (CHAR(36)), (CHAR(37)), (CHAR(38)), (CHAR(39)), (CHAR(40)), (CHAR(41)), (CHAR(42)), (CHAR(43)), (CHAR(44)), (CHAR(45)), (CHAR(46)), (CHAR(47)), (CHAR(48)), (CHAR(49)), (CHAR(50)), (CHAR(51)), (CHAR(52)), (CHAR(53)), (CHAR(54)), (CHAR(55)), (CHAR(56)), (CHAR(57)), (CHAR(58)), (CHAR(59)), (CHAR(60)), (CHAR(61)), (CHAR(62)), (CHAR(63)), (CHAR(64)), (CHAR(65)), (CHAR(66)), (CHAR(67)), (CHAR(68)), (CHAR(69)), (CHAR(70)), (CHAR(71)), (CHAR(72)), (CHAR(73)), (CHAR(74)), (CHAR(75)), (CHAR(76)), (CHAR(77)), (CHAR(78)), (CHAR(79)), (CHAR(80)), (CHAR(81)), (CHAR(82)), (CHAR(83)), (CHAR(84)), (CHAR(85)), (CHAR(86)), (CHAR(87)), (CHAR(88)), (CHAR(89)), (CHAR(90)), (CHAR(91)), (CHAR(92)), (CHAR(93)), (CHAR(94)), (CHAR(95)), (CHAR(96)), (CHAR(97)), (CHAR(98)), (CHAR(99)), (CHAR(100)), (CHAR(101)), (CHAR(102)), (CHAR(103)), (CHAR(104)), (CHAR(105)), (CHAR(106)), (CHAR(107)), (CHAR(108)), (CHAR(109)), (CHAR(110)), (CHAR(111)), (CHAR(112)), (CHAR(113)), (CHAR(114)), (CHAR(115)), (CHAR(116)), (CHAR(117)), (CHAR(118)), (CHAR(119)), (CHAR(120)), (CHAR(121)), (CHAR(122)), (CHAR(123)), (CHAR(124)), (CHAR(125)), (CHAR(126)),
+/* these are control characters
+(CHAR(127)), (CHAR(128)), (CHAR(129)), (CHAR(130)), (CHAR(131)), (CHAR(132)), (CHAR(133)), (CHAR(134)), (CHAR(135)), (CHAR(136)), (CHAR(137)), (CHAR(138)), (CHAR(139)), (CHAR(140)), (CHAR(141)), (CHAR(142)), (CHAR(143)), (CHAR(144)), (CHAR(145)), (CHAR(146)), (CHAR(147)), (CHAR(148)), (CHAR(149)), (CHAR(150)), (CHAR(151)), (CHAR(152)), (CHAR(153)), (CHAR(154)), (CHAR(155)), (CHAR(156)), (CHAR(157)), (CHAR(158)), (CHAR(159)), (CHAR(160)),
+*/
+(CHAR(161)), (CHAR(162)), (CHAR(163)), (CHAR(164)), (CHAR(165)), (CHAR(166)), (CHAR(167)), (CHAR(168)), (CHAR(169)), (CHAR(170)), (CHAR(171)), (CHAR(172)), (CHAR(173)), (CHAR(174)), (CHAR(175)), (CHAR(176)), (CHAR(177)), (CHAR(178)), (CHAR(179)), (CHAR(180)), (CHAR(181)), (CHAR(182)), (CHAR(183)), (CHAR(184)), (CHAR(185)), (CHAR(186)), (CHAR(187)), (CHAR(188)), (CHAR(189)), (CHAR(190)), (CHAR(191)), (CHAR(192)), (CHAR(193)), (CHAR(194)), (CHAR(195)), (CHAR(196)), (CHAR(197)), (CHAR(198)), (CHAR(199)), (CHAR(200)), (CHAR(201)), (CHAR(202)), (CHAR(203)), (CHAR(204)), (CHAR(205)), (CHAR(206)), (CHAR(207)), (CHAR(208)), (CHAR(209)), (CHAR(210)), (CHAR(211)), (CHAR(212)), (CHAR(213)), (CHAR(214)), (CHAR(215)), (CHAR(216)), (CHAR(217)), (CHAR(218)), (CHAR(219)), (CHAR(220)), (CHAR(221)), (CHAR(222)), (CHAR(223)), (CHAR(224)), (CHAR(225)), (CHAR(226)), (CHAR(227)), (CHAR(228)), (CHAR(229)), (CHAR(230)), (CHAR(231)), (CHAR(232)), (CHAR(233)), (CHAR(234)), (CHAR(235)), (CHAR(236)), (CHAR(237)), (CHAR(238)), (CHAR(239)), (CHAR(240)), (CHAR(241)), (CHAR(242)), (CHAR(243)), (CHAR(244)), (CHAR(245)), (CHAR(246)), (CHAR(247)), (CHAR(248)), (CHAR(249)), (CHAR(250)), (CHAR(251)), (CHAR(252)), (CHAR(253)), (CHAR(254)), (CHAR(255));