Merge pull request afosto#34 from gpibarra/patch-1

Windows Compatibility

Merge pull request afosto#29 from TheDevilOnLine/patch-1

Don't sleep when validation succesfull

styling fixes

Merge pull request afosto#18 from AlexNodex/patch-2

sourceIP support

Merge pull request afosto#11 from mikemunger/master

Add support to get certificate chain as separate certificates

Merge pull request afosto#5 from afosto/feature/dns

DNS support added
Big thanks to @lordelph for working on this

Merge pull request afosto#4 from afosto/feature/improved-validation

Improved http validation with exponential backoff

Merge pull request afosto#1 from mgilfillan/master

Check the authorization status is "valid" rather than "ready"

Updated the namespace to Acme