Argon Document is lost when files copied to a new computer

[rchristie]

The process used to determine whether the existing argon document can be reused does not recognise the same input files copied to a new computer (or perhaps a new folder).

This will be a severe issue for all users.

[hsorby]

We are working on. a fix for this issue. Looking to implement a fix in release 0.20.0.