CDKStackTests implemented

Signed-off-by: Felix Gabel <felix.gabel@me.com>
CoreDataKitTests

Signed-off-by: Felix Gabel <felix.gabel@me.com>
empty model test added

Signed-off-by: Felix Gabel <felix.gabel@me.com>
test_addingSQLiteFile added

Signed-off-by: Felix Gabel <felix.gabel@me.com>
model added

Signed-off-by: Felix Gabel <felix.gabel@me.com>
little changes

Signed-off-by: Felix Gabel <felix.gabel@me.com>
Mac OSX Target added

Signed-off-by: Felix Gabel <felix.gabel@me.com>