HVALS is broken

check_hvals_pipeline

pcall(require, 'luarocks.require')

local sidereal = require 'sidereal' -- sudo luarocks install sidereal --from=http://luarocks.org/repositories/rocks-cvs

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-- Some value printing code
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require 'lua-nucleo.module' -- sudo luarocks install lua-nucleo
require 'lua-nucleo.strict'

local tstr = import 'lua-nucleo/tstr.lua' { 'tstr' } -- Lua value to string

local N = 1
local P = function(...) print(N .. ":", tstr(assert(...))); N = N + 1 end

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-- Connect to Redis
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local R = assert(sidereal.connect("localhost", 6379))

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-- Fill data
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assert(R:hset("MYHASH", "one", 1))
assert(R:hset("MYHASH", "two", 2))

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-- This works
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P (R:hvals("MYHASH"))
--> 1: {"1","2"}

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-- This does not
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R:pipeline()
P (R:hvals("MYHASH"))
--> 2: {}
R:send_pipeline()

P (R:get_response())
--> 3: true

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-- This does not either
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P (R:multi())
--> 4: "OK"
P (R:hvals("MYHASH"))
--> 5: "QUEUED"
P (R:exec())
--> 6: {}