robo47/Robo47_DirectoryHasher — comment on commit a39097cb12618e53e091f5130803b6d25af5301a
File: .travis.yml line 4
By michaelklishin:

We recommend you to use 5.3 alias instead of specifying exact versions. Why? Because when 5.3.9 will be out and we provision it, 5.3 will point to it without you changing anything but 5.3.8 won't be available so you will have to tweak your `.travis.yml`.