Documentation Added

src/IsAvailable.jl

@@ -1,5 +1,6 @@
 module IsAvailable
 
+@doc """ A function that gets the status of a package at the link https://juliapackages.com/p/ """ ->
 function isavailable(name::String)
  url = "https://juliapackages.com/p/"*lowercase(name)
  try
@@ -12,17 +13,25 @@ function isavailable(name::String)
  end
 end 
 
+@doc """ A function that gets the status of several packages in a list""" ->
 function app(names::Array{String, 1})
  for name in names
  if isavailable(name)
  print(name*" is available. Do you wanna to install it? [type y(yes) or n(no)] ")
  answer = readline()
- if lowercase(answer) == "y"
- Pkg.add(name)
- elseif lowercase(answer) == "n"
+ validAnswers = ["yes", "no", "y", "n"]
+ while lowercase(answer) ∉ validAnswers
+ print("Please, type some valid option: [y] yes and [n] no. ")
+ answer = readline()
+ end
+ if lowercase(answer) ∈ ["yes", "y"]
+ try 
+ Pkg.add(name)
+ catch
+ print("Oops! I did it again. Check out the name of the package... It may be wrong")
+ end
+ elseif lowercase(answer) ∈ ["no", "n"]
  print("Okay... Bye!")
- else
- print("Oops! I did it again. Check out the name of the package... It may be wrong")
  end
  end
  end