public List<string> PerformGoogleLookup(string lookupText)
{
List<string> listNodes = null;
string base64str = "TgBhAHQAaABhAG4AcwAkADEA";
SpreadsheetsService service = AuthenticateGoogleUser(base64str);
SpreadsheetEntry spEntry = GetSpreadSheetEntry(service);
CellFeed cellFeed = GetCellFeed(service, spEntry);
listNodes = GetNodeMatches(cellFeed, lookupText);
return listNodes;
}