support multiple To's in sendMail
add support for CC's and BCC's in sendMail
fix imports - more restrictive import checking in dmd

- missing imports due to qualified usage

- missing selective import

- selective imports from wrong module
Merge pull request #584 from MartinNowak/fixImports

fix imports - more restrictive import checking in dmd
Merge pull request #582 from Extrawurst/patch-1

support multiple To's in sendMail
Add support for comma separated recipients in sendMail. See #582.
Fix comma separated recipients.