Use home key to toggle mode

Adapt to interaction-0.3

scheme/nuit-engine.scm

@@ -291,7 +291,7 @@
       (loop (wait-for-input) #f))
 
      ;; F7 toggle scheme-mode / command-mode (FIXME: find a better key)
-     ((= ch key-f7)
+     ((= ch key-home)
       (toggle-command/scheme-mode)
       (loop (wait-for-input) #f))
 
@@ -604,8 +604,8 @@
   (let ((env (init-evaluation-environment 'nuit-eval)))
     (lambda (exp)
       (with-fatal-and-capturing-error-handler
-       (lambda (condition continuation decline)
-         continuation)
+       (lambda (condition raw-continuation continuation decline)
+         raw-continuation)
        (lambda ()
          (eval (read-sexp-from-string exp) env))))))