rename "delta" -> "iota" in README
Merge pull request #1 from shokai/patch-1

rename "delta" -> "iota" in README
improve servo angle
Merge remote-tracking branch 'origin/master'
improve servo angle
#2
Merge branch 'master' of github.com:nikezono/node-linda-door-open-iota
#4
#5
Merge pull request #3 from nikezono/master

merged
学籍番号を正しく取得してカギ開けリクエスト  #6
Merge pull request #9 from shokai/6_student_number

学籍番号を正しく取得してカギ開けリクエスト  #6