Add unit tests
Add unit tests

nicolas-p/factor,mrjbq7/factor,kingcons/factor,ehird/factor,slavapestov/factor,mrjbq7/factor,mcandre/factor,bpollack/factor,bjourne/factor,factor/factor,mcandre/factor,jwmerrill/factor,AlexIljin/factor,dharmatech/factor,erg/factor,slavapestov/factor,littledan/Factor,dch/factor,mcandre/factor,nicolas-p/factor,ehird/factor,AlexIljin/factor,slavapestov/factor,ceninan/factor,mcandre/factor,kingcons/factor,tgunr/factor,bjourne/factor,nicolas-p/factor,Keyholder/factor,dch/factor,factor/factor,Keyholder/factor,dharmatech/factor,cataska/factor,bpollack/factor,littledan/Factor,nicolas-p/factor,sarvex/factor-lang,dch/factor,mrjbq7/factor,bjourne/factor,nicolas-p/factor,mrjbq7/factor,littledan/Factor,AlexIljin/factor,ehird/factor,littledan/Factor,mrjbq7/factor,sarvex/factor-lang,sarvex/factor-lang,dch/factor,tgunr/factor,ceninan/factor,slavapestov/factor,bjourne/factor,factor/factor,tgunr/factor,ceninan/factor,kingcons/factor,bpollack/factor,bpollack/factor,tgunr/factor,cataska/factor,slavapestov/factor,mrjbq7/factor,AlexIljin/factor,erg/factor,ceninan/factor,erg/factor,bjourne/factor,AlexIljin/factor,tgunr/factor,erg/factor,dch/factor,slavapestov/factor,dch/factor,slavapestov/factor,cataska/factor,seckar/factor,bjourne/factor,seckar/factor,AlexIljin/factor,factor/factor,nicolas-p/factor,bpollack/factor,kingcons/factor,mcandre/factor,jwmerrill/factor,Keyholder/factor,bpollack/factor,factor/factor,mcandre/factor,sarvex/factor-lang,factor/factor,erg/factor,AlexIljin/factor,sarvex/factor-lang,tgunr/factor,sarvex/factor-lang,nicolas-p/factor,erg/factor,bpollack/factor,jwmerrill/factor,cataska/factor,sarvex/factor-lang,mcandre/factor,erg/factor,dharmatech/factor,bjourne/factor,seckar/factor