better standard compliance on missing content-type (matters for ie on my win8 box)
workaround compiler change
Add missing HTML enities like ndash back and remove some trailing whitespace.
Merge pull request #55 from w0rp/master

Add missing HTML enttires back.
more characters
Replace deprecated getenv(X) with environment[X].
Gah, need to use .get to handle case when environment variable isn't defined.

Otherwise it would throw a runtime exception. :-(
Merge branch 'master' of https://github.com/juanjux/arsd