very nice++. but since all-lowercase module names are preserved for pragmas, i think you should think about renaming your module, eg. Lib::Http.

Update:
Oops. I assumed that pragmas are supposed to be one-worded. but rereading the perldoc i found nothing that backs that. Also there are threads::shared and warnings::register as precedents.
tx, theorbtwo, another wonderful example how dangerous assumptions are ,)