Adds shortcut for disabling bind validation.

mode.go

@@ -8,6 +8,7 @@ import (
 	"io"
 	"os"
 
+	"github.com/gin-gonic/gin/binding"
 	"github.com/mattn/go-colorable"
 )
 
@@ -51,6 +52,10 @@ func SetMode(value string) {
 	modeName = value
 }
 
+func DisableBindValidation() {
+	binding.Validator = nil
+}
+
 func Mode() string {
 	return modeName
 }