| This class allows you to get data from any site.
The data are taken from defined locations in the DOM structure.
Data points are defined using the phpquery notation  - similar to the selectors used in JQuery library.
This class can fetch data in three different modes by:
* scanning a single page
* scanning a "from->to" range of pages matching defined URL schema
* scanning a list of URLs retrieved from a PHP array  
  
EXAMPLE  
	$scrap = new Scraper();
	
	//set base url with token named ##TOKEN##. 
	$scrap->setBaseUrl('http://your.site.ccm/path/to/details.html?id=##TOKEN##');
	
	//Set the scan range for the token
	//##TOKEN## will be replaced by from the scope of id
	$scrap->addRangeScanRule(151598039, 151598042, '##TOKEN##');
	
	//definition of points where data are 
	$scrap->addDataTarget('name', '.headline .margin h1');
	$scrap->addDataTarget('price', '#buyerpricegross');
	$scrap->addDataTarget('image', '#imageWrapper #thumbnailoverlay a');
	
	$data = $scrap->process();
	//$data has array structure:
		 array(
			array('name' => ...., 
			array('price' => ....,
			array('image' => ....,
		),
		....
		....
		....
		
		
	
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