Fix peg.ebnf unit test failures
Fix peg.ebnf unit test failures

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