Ruby floor method does not accept arguments in Ruby versions lower than 2.4

[dsolsona]

Hi,

Testing the nomad client in Ruby 2.1 (fails also in 2.2. and 2.3) I got the following error

irb(main):002:0> Nomad::Client.new(:address => "http://nomad.service.consul:4646").job.read("my-job")
ArgumentError: wrong number of arguments (1 for 0)
	from /opt/ruby2.1/lib/ruby/gems/2.1.0/gems/nomad-0.1.0/lib/nomad/duration.rb:174:in `floor'
	from /opt/ruby2.1/lib/ruby/gems/2.1.0/gems/nomad-0.1.0/lib/nomad/duration.rb:174:in `block in to_s'
	from /opt/ruby2.1/lib/ruby/gems/2.1.0/gems/nomad-0.1.0/lib/nomad/duration.rb:173:in `each'
	from /opt/ruby2.1/lib/ruby/gems/2.1.0/gems/nomad-0.1.0/lib/nomad/duration.rb:173:in `to_s'
	from /opt/ruby2.1/lib/ruby/gems/2.1.0/gems/nomad-0.1.0/lib/nomad/duration.rb:187:in `inspect'
	from /opt/ruby2.1/bin/irb:11:in `<main>'

It is failing because it is calling floor(0) which doesn't work in any ruby version lower than 2.4.

Does this gem only work in ruby 2.4? Any plans to at least support 2.3?

[dsolsona]

I see that in f86d667 you forced this to only be 2.4 so I guess this is intentional and there are no plans to support 2.3