v0.2

Finally, it's done!
Need to make sure the user guide website working.

Level-7

Level 7. Save

v0.1

First release!

• Need to add more Exceptions.
• Deleted item doesn't work with save.
• Do not contain the 'loading' function when starting the program.

Thank god it can run (at least).

Level-6

Level 6. Delete (in branch)

A-Collections

Level 6. Delete (in branch)