public function between($column, $value1, $value2, string $separator = 'AND', bool $not = false)
	{
		$this->wheres[] =
		[
			'type'      => 'between',
			'column'    => $column,
			'value1'    => $value1,
			'value2'    => $value2,
			'separator' => $separator,
			'not'       => $not,
		];

		return $this;
	}