Merge branch 'hotfix/fix_get_genotype'

- Fixed error with get genotype in genetic models.

- Added flag for rank score treshold when pronting the variants.
Merge branch 'develop'
Works now!
Gives penalty if no models are followed
Prints metadata
Fixed header line
Prints one header line now...
Fixed problem with shelve files by using a temporary folder
Fixed problem with x-denovo