Module containing Raggle functions and classes specific to grabbing, parsing, and storing feeds.
add a new feed
create a lock file for raggle
delete a feed by id
destroy raggle lock file
edit an existing feed
expand path macros in $config
expand individual string in config
search for feeds, return array of hashes w/ results
Return the contents of an exec URL
Return the contents of a file URL
Return the contents of a HTTP URL
Return the contents of a URL
grab individual feed (called by feed grabbing thread)
Invalidate a feed by id
Load default config, handle command-line arguments, load user config file.
load feed cache
purge extra feeds in cache
Save configuration (feed cache, feed list, and possibly theme)
save feed cache
save feed list
Set thread priorities
Sort feeds
Start and return the feed-grabbing thread
[Validate]