func generateTableWithArray(array: [[String]], andTableStyle style: String?, forTableClassName tableClassName: String?, andRowClassNames rowClassNames: [String?]?, andCellClassNames cellClassNames: [[String?]?]?) -> String {
    var htmlString = ""

    htmlString += style          == nil ? "" : "<style>\(style!)</style>\n"
    htmlString += tableClassName == nil ? "<table>\n" : "<table class=\"\(tableClassName!)\">\n"

    for row in array.enumerate() {

        if rowClassNames?.indices.contains(row.index) ?? false, let className = rowClassNames?[row.index] {
            htmlString += "<tr class=\"\(className)\">\n"
        } else {
            htmlString += "<tr>\n"
        }

        for coloumn in row.element.enumerate() {

            if cellClassNames?.indices.contains(row.index) ?? false && cellClassNames?[row.index]?.indices.contains(coloumn.index) ?? false,
                let classArray = cellClassNames?[row.index], let className  = classArray[coloumn.index] {
                htmlString += "<td class=\"\(className)\">"
            } else {
                htmlString += "<td>"
            }

            htmlString += coloumn.element
            htmlString += "</td>\n"
        }
        htmlString += "</tr>\n"
    }

    return htmlString
}

//Example

let tableData  = [["<b>H1</b>", "H2", "H3", "H4"], ["R1", "R2", "R3", "R4"]]
let tableStyle = ".tableClass {width: 100%; border-collapse: collapse; font-family: Helvetica; font-size: 13px}" +
                 ".headingClass td {border-bottom: 1px solid gray;}" +
                 ".cellClass {font-family: monospace}"

let htmlTable = generateTableWithArray(tableData, andTableStyle: tableStyle, forTableClassName: "tableClass", andRowClassNames: ["headingClass", nil], andCellClassNames: [nil, ["cellClass", nil, "cellClass", nil]])

//Attributed String from table. Good for previewing the table in a playground

var attributedTableString = try! NSAttributedString(
    data: htmlTable.dataUsingEncoding(NSUnicodeStringEncoding, allowLossyConversion: true)!,
    options:  [NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType],
    documentAttributes: nil)