Makes the xgapp upgrader write the updated file with unix rather than Windows line endings to match the way xstream creates xgapps in the first place (closes #76)
When you provide a saved TSV "script" of changes to the command-line upgrader, default to applying only those changes and not touching anything else. Without a script, or with a script and an additional -d option, the default upgrades are applied too (closes #77)
-doption, the default upgrades are applied too (closes #77)