Entries need to be removed before removing a feed

[lemon24]

When removing a feed, its entries need to be removed explicitly. This wouldn't be needed if foreign keys used ON DELETE CASCADE.

reader/reader/reader.py

Lines 57 to 70 in 824a2f7

	def remove_feed(self, url):
	with self.db:
	self.db.execute("""
	DELETE FROM entry_tags
	WHERE feed = :url;
	""", locals())
	self.db.execute("""
	DELETE FROM entries
	WHERE feed = :url;
	""", locals())
	self.db.execute("""
	DELETE FROM feeds
	WHERE url = :url;
	""", locals())