Add the wdn-inner-wrapper class in template_preprocess_node()
[#14] Generalize $vars['theme_hook_suggestions'] additions based on view mode
Merge pull request #16 from ericras/wdn_inner_wrapper

Add the wdn-inner-wrapper class in template_preprocess_node()
Merge pull request #17 from ericras/issue-14

Closes #14
Fix "Fatal error: Can't use function return value in write context"