Fix #64, parsing a todo with europe date format

* the `hasDue` function was not running, and therefore it was not parsing the due date.
* Also added the beginnings of a more holistic test approach, using `app_test.go`.

1 files changed, 1 insertions, 1 deletions

diff --git a/todolist/app.go b/todolist/app.go
index 56787d3..42b1361 100644
--- a/todolist/app.go
+++ b/todolist/app.go
@@ -8,7 +8,7 @@ import (
 )
 
 type App struct {
-	TodoStore *FileStore
+	TodoStore Store
 	TodoList  *TodoList
 }