fix obnoxious Roo::Excelx packed/file_warning warning
minitest/autorun is all that's needed these days
ah, the source didn't have tbody in it

bzipped because it has funky line endings, etc. that git didn't like
Include columns with blank headers as "untitled_N"
safer way to test against ol' CRP_RFP_template.xlsx
use a local file to test utf-8 BOM handling
release 3