ImportCommand throws error when there is only one page of items

[alexsegura]

Describe the bug

When there is only one page of items to import, the command fails with the following error:

[ERROR] The first-page option (1) is bigger than the last-page option (0)

To Reproduce

Import an entity with less than 100 entries (the default).

Expected behavior

The import should work with any amount of items to import.

Linked with #74 & #75