August updates

I had some time to work on the project this weekend, and here's what I got done:

• The @CrowdPee bot is up and running again, after a bit of downtime.
• It's also going to be easier to update the CrowdPee database from now on. (The open data it's based on is released once a year.) Go to the questionnaire website to tell us about Zürich toilets or get the results!
• Finally, the page on public toilets for the 20 biggest cities in Switzerland is now up-to-date. Zürich is still the only city for which I know that the public toilets are gender-neutral, and Biel no longer has public toilets at all, but I've emailed all the other city councils to request this information. I hope they get back to me quickly!