Remove compiler warnings
Merge pull request #196 from nla/huwr-warnings

Remove compiler warnings
Show basic error message if filesize doesn't work

It doesn't work if the file is missing; this is a lot better than the large ugly freemarker messages.
Merge pull request #197 from nla/huwr-filesize-error

Show basic error message if filesize doesn't work
Merge branch 'master' into amber