Bug Fix
Remove $open_mode validation. Now the validation is done by PHP Internals
New Traits
\Bakame\Csv\Iterator\IteratorFilter to enable Iterator filtering
\Bakame\Csv\Iterator\IteratorSortBy to enable Iterator sorting
\Bakame\Csv\Iterator\IteratorInterval to enable setting Iterator intervals
Update Trait
\Bakame\Csv\Iterator\IteratorQuery uses all the new Traits to enable CSV filtering