code: public function getBool($true = true, $false = false, $likely = 2)
  	{
  		$i = $this->getInteger(1, 100);
  		
  		if ($i % $likely == 0) {
  			return $true;
  		} else {
  			return $false;
  		}
  	}
docs: Generate a boolean. Use the parameters to custom the ressponse to be true/false, 1/0, Yes/No, etc.
  
  @access public
  @param mixed $true Value that should be returned if true (default: true)
  @param mixed $false Value that should be returned if false (default: false)
  @param mixed $likely How likely is it (1-10) the result will be true?  1 = Always, 10 = Almost never.
  @return mixed the result.
  
  @codeCoverageIgnore