1. Move the following to the DB so that they are preserved through version changes: Anyone who is going to play with these probably doesn't require a change to the UI - just a sentence in the README.

FEEDAPI_NEVER_DELETE_OLD
FEEDAPI_TIMEOUT
FEEDAPI_CRON_FEEDS
CRON_MIN_REFRESH_TIME

2. Static path to simplepie.inc in the root modules directory or files or whatever. I assume that many people use drush (I could be wrong). Drush moves the current directory and replaces it with the new module from the tar ball which requires re-copying simplepie.inc.