updated comments with correct syntax and RFC cite
added PBP .perltidyrc and applied it
merged with fayland master
Merge branch 'master' into tidy
make Host parameter Net::SMTP compatible

Net::SMTP allows a host name to be passed in, or a list ref. Prior
to this commit, this module supported only a single hostname. This
commit adds support for passing in an arrayref.
Merge pull request #3 from msimerson/master

updated comments to match last code correction