invoked loadData first before calling in_array() in assertContainsRow
test for assertContainsRow
Merge branch 'master' of https://github.com/sebastianbergmann/dbunit

Conflicts:
	PHPUnit/Extensions/Database/DataSet/QueryTable.php
	Tests/DataSet/QueryTableTest.php
test for several datasets with the same compatible tables
merge tables in one super data set in composite data set
test for incompatible tables
do not merge incompatible tables
make dateSets param in CompositeDataSet constructor optional
Merge pull request #110 from jeunito/issue76

Fixes #76 and supersedes #109