ConceptSPEC bug (minimal example)

function get_name()
    return "BUG REPORT"
end


function get_description()
    return {
        "*messy* is what happens when you use non-number keys. I wouldn't actually expect it to work.",
        "*outOfOrder* is an input which I attempted to fill backwards. It didn't work out.",
        "*outOfOrder2*, *outOfOrder3* and *outOfOrder4* are copies of *outOfOrder*"
    }
end


function get_board()
    return [[
        ..................
        ..................
        ..................
        ..................
        ....0.1.2.3.4.5...
        ..................
        ..................
    ]]
end


function get_data()
    outOfOrder = {}
    outOfOrder[4] = 4
    outOfOrder[3] = 3
    outOfOrder[2] = 2
    outOfOrder[1] = 1
    -- This becomes 4, 3, 2, 1 rather than 1, 2, 3, 4

    copy1 = {}
    for i=1,#outOfOrder do
      copy1[i] = outOfOrder[i]
    end
    -- This ends up getting properly set (1,2,3,4), as outOfOrder should've been

    copy2 = {}
    for k,v in pairs(outOfOrder) do
      copy2[k] = v
    end
    -- But this doesn't (4,3,2,1)

    copy3 = {}
    for k,_ in pairs(outOfOrder) do
      copy3[k] = outOfOrder[k]
    end
    -- And neither does this (4,3,2,1)

    -- And here's a more extreme example
    nonNumberKeys = {}
    nonNumberKeys["foo"] = 1 -- Why does this work?
    nonNumberKeys["bar"] = 2 -- This should be a COMPILE ERROR, no?
    nonNumberKeys["baz"] = 3
    nonNumberKeys[99] = 4
    nonNumberKeys[98] = 5
    nonNumberKeys[98] = 6 -- Actually manages to overwrite the 5
    nonNumberKeys[3] = 7 -- Doesn't overwrite anything.
    nonNumberKeys[2] = 8 -- Doesn't overwrite anything either.
    -- In the end, this becomes 1,2,3,4,6,7,8

    -- Adding packets to the timeline out of order works fine, though
    whatOfTheTimeline = {}
    whatOfTheTimeline[3] = {3}
    whatOfTheTimeline[2] = {2}
    whatOfTheTimeline[1] = {1}
    -- whatOfTheTimeline["cabbage"] = {0} -- COMPILE ERROR, as you'd expect

    create_terminal("non-numbers", "0", TYPE_XBUS, DIR_INPUT, {nonNumberKeys})
    create_terminal("outOfOrder", "1", TYPE_XBUS, DIR_INPUT, {outOfOrder})
    create_terminal("outOfOrder2", "2", TYPE_XBUS, DIR_INPUT, {copy1})
    create_terminal("outOfOrder3", "3", TYPE_XBUS, DIR_INPUT, {copy2})
    create_terminal("outOfOrder4", "4", TYPE_XBUS, DIR_INPUT, {copy3})
    create_terminal("timeLineTest", "5", TYPE_XBUS, DIR_INPUT, whatOfTheTimeline)
end