Fixes #806

 * Make `PHPUnit_Util_Type` handle array references properly.
Added resources support to `PHPUnit_Util_Type::recursiveExport()`.
Merge pull request #807 from whatthejeff/issue_806
Merge pull request #808 from whatthejeff/phpunit_util_type/resources
Use single quotes
Eliminate unused variables
Fix type information
Delete
Fix usage of $message argument