TODO

2018.04.15:
v Fix feed title/metadata (2018.04.15)
v User inputted location and end date (2018.04.15)
v Put date and time in RSS item fields (2018.04.15)
v Add venue information (2018.04.15)

- User inputted topics
- Try to get as many events as possible for the given date range

- Use event date & time as published date & time
- Get a topic list with IDs