utils

function split(sourceString,splittingChar,index)
    results={}
    currentWord=""
    for i=1,string.len(sourceString) do
        letter=string.sub(sourceString,i,i)
        if letter==splittingChar then
            results[#results+1]=currentWord
            currentWord=""
        else
            currentWord=currentWord..letter
        end
    end
    results[#results+1]=currentWord
    return results[index], results
end