Setting up some file level tests on the FAM file

The FAM file is probably the file in which human errors are most likely
to occur, so setting up some tests to see how the code handles
malformed or inconsistent FAM files.
Small fix to fam file so that son has a missing column
Clarifying running of tests
Finished release v1.1.
Merge branch 'develop' of https://github.com/tzhughes/genmod into tzhughes-develop
Merge branch 'tzhughes-develop' into develop
Merge pull request #2 from moonso/develop

Latest updates from Måns
Finished hotfix check_compounds.
Attempt to create some annotation tests at the vcf file level

Particularly important is the testing of the AR_comp model
Fix to a couple of files
Merge branch 'develop' of https://github.com/tzhughes/genmod into tzhughes-develop
Merge branch 'tzhughes-develop' into develop
Small changes
Chenged compound behaviour and variant parser
Works with vcf parser!
Added check so that same individuals have to be in both infiles
Fixed compound problem
Finished feature fix_comp_tests.
Bumped version
Finished release v1.2.