D-4

v-1.0.0
---
1. use different menu => for each tab

	==> done
D-4

v-1.0.1
---
1. change menu item

	==> done
D-4

v-1.0.2
---
1. new class => MI.java (Menu item)

	==> done
D-4

v-1.0.3
---
1. Item => "Items"

	==> done
D-4

v-2.0
---
1. show dialog

	==> done
D-4

v-2.1
---
1. save list: validation
        => to-buy list --> built?

	==> done
D-4

v-2.2
---
1. show dialog => save list

	==> done
D-4/SEG-1

v-1.0
---
1. change bg-color

	==> done
D-4/SEG-1

v-3.0
---
1. insert data => "num" to SIs

	==> done
D-4/SEG-1

v-4.0
---
1. display "num" in the list

	==> done