cheezy/page-object — pull request #133 by fohara (2012-10-04 19:45:19+00:00)
Title: Return nil when there is no corresponding table cell for a referenced column.

When indexing a table by column for a table cell, currently TableRow
will return a TableCell object even if there is not a cell which
corresponds to the referenced column. This commit will cause the
TableRow#[] method to return nil if a cell doesn't exist for the
referenced column.