型注釈とfirst-class polymorphismの対応準備
Merge branch 'master' into hmf

Conflicts:
	parser.d
Merge branch 'master' into hmf
HMF (wip)
wip 2
wip 3
wip 4 (compile succeeded but not working)
1階のunittest通過
非常に暫定的な引数の型注釈サポート
Merge branch 'hmf'