Solved: Encoding::UndefinedConversionError
Solved: Encoding::UndefinedConversionError

To fix the conversion of document files(doc, xls etc.) to PDFs

```
Encoding::UndefinedConversionError - "\xBF" from ASCII-8BIT to UTF-8:
  file-convert (0.2.0) lib/file_convert/conversion.rb:38:in `block in save'
  file-convert (0.2.0) lib/file_convert/conversion.rb:38:in `save'
```
tolingo/file-convert