Modify unique token to use url safe characters. Looks like the merge of the methods I chose cause url unsafe / to be emitted sometimes. This causes poe post to fail as the url includes the key and the / messes up the rest route url parsing code.

[run]

# ignore the dist utils. They are not part of the code base
# we are going to test. They are used by maintainers only.
omit = roundup/dist/*