Update example to not include a defunct directory.
Build and model IDs are no longer integers.
Whitespace.
Don't worry if input file is zero-size
Don't specify names for temp files
Allow there to be no snvs that pass the filter
Fill in field descriptions for other joinx interpreters
Adjust formatting
Refactor so that each line doesn't print a trailing delimiter
Merge pull request #114 from apregier/empty_varfilter_input

Empty varfilter input
Merge pull request #112 from tmooney/fix_build_lister

Fix Model/Build ID Resolution in Build Lister
Merge pull request #117 from susannasiebert/fix_tabs_for_variant_report

Refactor reporter with header so that each line doesn't print a trailing delimiter
Merge pull request #116 from apregier/add_field_descriptions

Fill in field descriptions for other joinx interpreters