Login Error

## Library version

*What's the installed library version ? Check with `instalooter --version`*:

```
instalooter 2.3.0
```

## Environment

*Describe here your environment, including:*

* *OS* MacOS 10.13.5
* *Python version* 2.7.15
* *`setuptools` version if reporting an issue with installation*
* *non-standard Python implementation if any*

## Error description - installation

*If you have an issue with installation, make sure you use a recent `setuptools` version
before filing a bug ! If the error is still there, describe the command you used to
install, and make sure you reported your environment in details. In particular,
if you encounter a critical error with the CLI, please post the program output when
running with the `--traceback` flag.*

## Error description - runtime

Cant login to instagram

### Reproducible test case
instaLooter user PROTECTEDPROFILE . -u MYUSER -p MYPASSWORD --get-videos --dump-json --add-metadata --extended-dump

*Are you using the API ? If so, include a small snippet that can be used to re-raise the
error:*

```python
from instalooter.looters import ...
```

### Expected behaviour

Download a private instagram profile

### Actual behaviour

Cant login to instagram
instalooter.cli[77506] CRITICAL Login error: check your connection