StringHelper

function getWords(str)
    words = {}
    sp = 1
    while sp do
        sp,ep = string.find(s," ")
        if sp then
            table.insert(words,string.sub(s,1,sp-1))
            s = string.sub(s,sp+1)
        else
            table.insert(words,s)
        end
    end
    return words
end
function boolStrToNumber(str)
    if str then
        if str == "true" then
            return 1
        elseif str == "false" then
            return 0
        end
    end
end