added subroutine for getting SnpEff data for exporter
exporter actually adds effects list
EFF field is left NULL instead of blank
added more info to the EFF field
INFO line is updated for additional VCF fields
more SnpEff fields added to VCF export, 2/3 tests work
third test updated
refactored an import for VDW split
updated to address some problems Don found in pull request
updated tests to work after VDW split