Headers already sent in plugin functions

[Zorato]

The only way to output a HTTP header reliably in the backend is in the admin-pre-header action - and it only exists in GetSimple 3.1.

Thanks, will try to add another action for plugin to implement that hook.

By the way, I've written plugin for personal use, that didn't store config and logs in XML files (.txt instead). I'm thinking about sharing it by uploading to Extend section. Should I re-write code for XML files due to GS ideology or I can post it without any restrictions even if doesn't use XML?