v1.3.4

Adds ability to customize error logging with gotalk.ErrorLogger and gotalk.HandlerErrorLogger which both have the type gotalk.LoggerFunc

Example:

gotalk.HandlerErrorLogger = func(s *gotalk.Sock, format string, args ...interface{}) {
  myLogger.Warn("[gotalk %p] " + format, append([]interface{}{s}, args...)...)
}