File encoding changes

[WJ44]

Microsoft changed the file encodings on the download from UTF-16E to UTF-8 (microsoft/sql-server-samples@b47eadc). This causes the update_csvs.rb script to fail.

[WJ44]

I went ahead and solved the issues I was running into in #21 . Let me know if you have any feedback.

[WJ44]

Closed by #21