message: Rename bin feature
diff: @@ -13,11 +13,11 @@ members = [
  ]
  [features]
  -bin = ["rustyline", "structopt"]
  +cli = ["rustyline", "structopt"]
  [[bin]]
  name = "lambdapi"
  -required-features = ["bin"]
  +required-features = ["cli"]
  [dependencies]
  failure = "0.1.1"
  