Refactor previous commits

Rewrite the `ManipulateNotes` function into `HandleNotes`, which
routes the note sub-commands to calls of newly-written `Parse*Note`
functions.  On successful parse, these functions return true, and
false otherwise.

Related tests are also refined.

1 files changed, 1 insertions, 1 deletions

diff --git a/todo.go b/todo.go
index d2bc7ab..645a880 100644
--- a/todo.go
+++ b/todo.go
@@ -166,7 +166,7 @@ func routeInput(command string, input string) {
 	case "ex", "expand":
 		app.ExpandTodo(input)
 	case "an", "n", "dn", "en":
-		app.ManipulateNotes(input)
+		app.HandleNotes(input)
 	case "gc":
 		app.GarbageCollect()
 	case "p", "prioritize":