lastgenre: Optionally replace unicode characters when performing lookups.
lastgenre: Automatically retry asciified lookups if the initial lookup fails.
lastgenre: Only replace a small set of unicode characters.
Fix indent level.
Escape Unicode characters so we don't need the encoding headers.
Update _cached_lookup() docstring.
Go back to a single lookup with specific Unicode characters replaced.
Fix line length in docstring.
Merge pull request #1156 from djl/lastgenreunicode

lastgenre: Optionally replace unicode characters when performing lookups
Changelog and name change for #1156