Remove state from config, add to authboss type.

authboss.go

@@ -20,12 +20,15 @@ import (
 // Authboss contains a configuration and other details for running.
 type Authboss struct {
 	Config
+	Callbacks *Callbacks
 }
 
 // New makes a new instance of authboss with a default
 // configuration.
 func New() *Authboss {
-	ab := &Authboss{}
+	ab := &Authboss{
+		Callbacks: NewCallbacks(),
+	}
 	ab.Defaults()
 	return ab
 }

config.go

@@ -107,8 +107,6 @@ type Config struct {
 	// LogWriter is written to when errors occur, as well as on startup to show which modules are loaded
 	// and which routes they registered. By default writes to io.Discard.
 	LogWriter io.Writer
-	// Callbacks is an internal mechanism that can be used by implementers and will be set automatically.
-	Callbacks *Callbacks
 	// Mailer is the mailer being used to send e-mails out. Authboss defines two loggers for use
 	// LogMailer and SMTPMailer, the default is a LogMailer to io.Discard.
 	Mailer Mailer
@@ -163,6 +161,5 @@ func (c *Config) Defaults() {
 	c.LockDuration = 5 * time.Hour
 
 	c.LogWriter = NewDefaultLogger()
-	c.Callbacks = NewCallbacks()
 	c.Mailer = LogMailer(ioutil.Discard)
 }