bcosca/fatfree — pull request #600 by xfra35 (2014-04-14 10:18:57+00:00)
Title: Suggestion: optional Content-Type header on view rendering

Hi,
there are a few cases where one needs to render a template without sending HTTP headers (for example when rendering an e-mail template). Setting the `$mime` argument to NULL should be enough to prevent headers from being sent.