Multiple layouts support - #8

$report = new Thinreports\Report('/path/to/layout_default.tlf');

// 1st page: layout_default.tlf
$page = $report->addPage();

// 2nd page: layout_other1.tlf
$page = $report->addPage('/path/to/layout_other1.tlf');

// 3rd page: layout_other2.tlf
$page = $report->addPage('/path/to/layout_other2.tlf');

/**
 * @param string $layout_file (default = null)
 * @param boolean $countable (default = true)
 * @return Report\Page
 */
Report#addPage($layout_file = null, $countable = true);

$report = new Thinreports\Report();

$report->addPage('/path/to/layout1.tlf');
$report->addPage(); // Error!

$report = new Thinreports\Report('/path/to/default_layout.tlf');

/**
 * $layout_file = /path/to/default_layout.tlf
 * $countable = false
 */
$report->addPage(null, false);

/**
 * $layout_file = /path/to/other_layout.tlf
 * $countable = false
 */
$report->addPage('/path/to/other_layout.tlf', false);