saveUser

local args = { ... }
if #args ~= 2 then return false end
local user = args[1]
local pass = args[2]

if (type(user) ~= "string" or type(pass) ~= "string") then return false end
local file = fs.open("database/users", "a")
local writeable = user .. " : " .. pass
file.write(writeable .. "\n")
file.close()