update io and add sample
update io
apply one argument
add sample/social.egi
update sample/social.egi
modify nioj, social
add specification of matcher
add command line parser to Egison interpreter
#1 fixed
#2 fixed
fix social.egi
Merge branch 'master' of github.com:egisatoshi/egison3
Merge branch 'array'

Conflicts:
	hs-src/Language/Egison/Core.hs
	hs-src/Language/Egison/Primitives.hs
Merge branch 'master' into loop

Conflicts:
	lib/core/collection.egi
update