Issue #697760 by sun: Replace getInfo() in tests with native phpDoc + annotations (following PHPUnit).

Issue #2161943 by Berdir, sun, jibran: Throw a helpful exception for empty IN conditions in Database\Query\Condition.

Issue #1889328 by gielfeldt, gumanist: Fixed Not all objects respect the query option throw_exception.

Issue #1431658 by Albert Volkman, kid_icarus, ChinggizKhan, xjm, rgristroph, connork: Clean up API docs for many system tests

Issue #1431658 by Albert Volkman, xjm, kid_icarus, ChinggizKhan, rgristroph, connork: Massive API docs cleanup for system tests

Issue #1145080 by David_Rothstein, Noe_, drewish, hosef, bigjim: Fixed SelectQuery::countQuery() incompatible with UNION queries.