ImportCommand throws error when there is only one page of items

**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