document 작업 커밋 테스트
array api 문서화 완료
string 문서화
Merge branch 'master' into doc

Conflicts:
	build/asdf.js
	src/datatype/Object.js
	test/datatype/StringTest.js
	test/test.html
doc string
doc function init
Merge branch 'master' into doc

Conflicts:
	build/asdf-min.js
doc: Element init
coverage init