split sysctl parameter and added suid whitelist search

Signed-off-by: Patrick Meier <patrick.meier111@googlemail.com>
added test to check unique UID's

Signed-off-by: Patrick Meier <patrick.meier111@googlemail.com>
FIX linting

Signed-off-by: Patrick Meier <patrick.meier111@googlemail.com>
Merge pull request #18 from atomic111/master

split sysctl_spec.rb, added suid whitliste and uid unique search