Is it possible to use CamelCase class names in Magento models?
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Let's say you have a class name `Space_Module_Model_LongModelName` and you want to reference it as:

    Mage::getModel('module/longmodelname');

This seems to work in some development environments, but doesn't seem to work in all environments.  Probably has to do with a file system case sensitivity setting.

The error that you get in environments where it doesn't work is that the `include()` for `Space/Module/Model/Longmodelname.php` failed.