Add support for passing a list to filters in list_measurements

[hynnot]

This PR is about the issue #795

Steps:

• Changes to accept the following filters as lists (domain, test_name, probe_cc, probe_asn)

Notes:

• Fix a problem with scores type.
• Fix a problem with the input variable.

[hellais]

Isn't this not returning values because the domain parameters have extra whitespace after them?

That is the filter will turn out to be domain = ['cloudflare-dns.com', ' adblock.doh.mullvad.net', ' 1.1.1.1'] (notice the extra leading whitespace)

I think it would be more clear to use a test that includes some domains that clearly do not exist in the result set.

[hynnot]

The name of the test is the confusion here. We don't return the field domain in the result, this is why I can check the value (maybe this is an error and we should return it) About the whitespace it's not a problem because the split function removes them.

About the second comment, I can add a domain not in our data because the result is the same. The list is an OR list.

[hellais]

Looks good to me. I think you can merge it when the issue with one of the tests is addressed.