Adding Live 2fa capacity

* Some requests may be sensitive enough to require a secondary
two-factor authorization on the spot
* Examples: changing password, changing email address, viewing API
tokens etc
* This creates a core handler that can attach to any Auth-able method
which will require a "twofactorcode" query param before processing

models/auth_test.go

@@ -3,6 +3,8 @@ package models
 import (
 	"testing"
 	"time"
+
+	"github.com/yxzzy-wtf/gin-gonic-prepack/database"
 )
 
 func TestBadPasswords(t *testing.T) {
@@ -75,6 +77,8 @@ func TestTwoFactorWhenNotSet(t *testing.T) {
 }
 
 func TestTwoFactor(t *testing.T) {
+	database.InitTestDb()
+
 	a := Auth{}
 	a.TwoFactorSecret = "AAAAAAAAAAAAAAAA"