Let cloneBlock support search-patterns in block

[stxh]

Support variable like cloneRow
in .docx

${BLOCK}
This is clone block ${No} Name=${Name} Value=${Value}
Please test it.
${/BLOCK}

in .php

$testData = array(
    array('Name'=>'Test Name 1', 'Value'=>123.45),
    array('Name'=>'Test Name 2', 'Value'=>223.45),
    array('Name'=>'Test Name 3', 'Value'=>323.45),
    array('Name'=>'Test Name End', 'Value'=>423.45),
);

$templateProcessor->cloneBlock('BLOCK', count($testData));
foreach ($testData as $n=>$v) {
    $templateProcessor->setValue('No#'.($n+1), $n+1);
    $templateProcessor->setValue('Name#'.($n+1), $v['Name']);
    $templateProcessor->setValue('Value#'.($n+1), $v['Value']);
}

[armenmargaryan]

This was very useful update thanks

[troosan]

same as #817, which is cleaner and has tests