use  checkip.dyndns.com as externalip got suspended
Merge pull request #11 from juanjosepablos/master

use  checkip.dyndns.com as externalip got suspended
Fix ipv6 lookup
Remove whitespace surrounding the IPs

check_if_ip_changed always returned True because of this.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	gandi-dyndns