localhost not accepted as valid host

[prasadtalasila]

Description

When localhost is provided as host name for gitlab or mainserver, the CLI generates an error.

Steps to Reproduce

1. Install AutolabJS
2. Install autolabjs CLI on the same host.
3. Try to change the host name for gitlab or main server.

Expected behavior: [What you expect to happen]
Accepts localhost as a valid host name.

Actual behavior: [What actually happens]
Rejects localhost as an invalid host name.

Reproduces how often: [What percentage of the time does it reproduce?]
Every time

Additional Information

The relevant logs are as follows.

$git clone https://github.com/AutolabJS/autolabcli.git -b dev
$cd autolabcli
$npm i
$ nodejs index.js prefs changeserver --type gitlab --host localhost
Please provide a valid host
vagrant@ubuntu-xenial:~/autolabcli$ nodejs index.js prefs changeserver --type ms --host localhost --port 9000
Please provide a valid host