Make VDW_GENOME_VERSION a required setting

This also updates the tests and setting related code to accomodate the required setting

Signed-off-by: Don Naegely <naegelyd@gmail.com>
0.4.1 Release

Signed-off-by: Don Naegely <naegelyd@gmail.com>
0.4.2 Beta

Signed-off-by: Don Naegely <naegelyd@gmail.com>