Warning police.
Merge pull request #9 from metajack/del-warn

Warning police.
Update tests for latest Rust.
Merge pull request #10 from metajack/check-up

Update tests for latest Rust.
Upgrade to latest rust.
Merge pull request #11 from metajack/rustup

Upgrade to latest rust.
More rust updates.
Merge pull request #12 from metajack/rustup2

More rust updates.
Switch from -o to --out-dir.
Revert to using -o for tests
Merge pull request #13 from kmcallister/otest

Revert to using -o for tests
Update for language changes