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

t/lib/samples/issue_94.sql

@@ -0,0 +1,10 @@
+USE test;
+DROP TABLE IF EXISTS `issue_94`;
+CREATE TABLE `issue_94` (
+   a INT NOT NULL,
+   b INT NOT NULL,
+   c CHAR(16) NOT NULL,
+   INDEX idx (a)
+);
+
+INSERT INTO issue_94 VALUES (1,2,'apple'),(3,4,'banana'),(5,6,'kiwi'),(7,8,'orange'),(9,10,'grape'),(11,12,'coconut');