Helper function to get the name and the line number of the current calling function. For this function to work properly, the "--luadebug" flag must be enabled. Otherwise, it will always return undefined.
Log()
void Log(string message)
Helper function to avoid typing out Isaac.DebugString(). If you have the "--luadebug" launch flag turned on, then this function will also prepend the function name and the line number before the string.