The use of Mage::getSingleton(strtolower('Core/Layout'))

[kibix1]

Is there any special reason why you use $layout = Mage::getSingleton(strtolower('Core/Layout')); especially the strtolower('Core/Layout') part in your code, as - for example - multiple times like here:

manadev-core-libraries-for-magento/Core/code/Helper/Js.php

Line 456 in 10fd58b

$layout = Mage::getSingleton(strtolower('Core/Layout'));

?

I wonder why it's not Mage::getSingleton('core/layout'); instead?