Parse e-mail address fields. Input can be a single address ("andris@kreata.ee"), a formatted address ("Andris Reinman "), a comma separated list of addresses ("andris@kreata.ee, andris.reinman@kreata.ee"), an address group ("disclosed-recipients:andris@kreata.ee;") or a mix of all the formats.

In addition to comma the semicolon is treated as the list delimiter as well (except when used in the group syntax), so a value "andris@kreata.ee; andris.reinman@kreata.ee" is identical to "andris@kreata.ee, andris.reinman@kreata.ee".

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