Add ipv4address resource
Merge pull request #14 from tonynotto/ipv4address

Add ipv4address resource
version bump to 0.2.13
Add comment field to cname resource
Merge pull request #15 from kmullin/KM_add_comment_to_cname_resource

Add comment field to cname resource
Version bump to 0.2.14
Travis build
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Move :host into create-only accessor on HostIpv4addr resource. This fixes #16.
Basic CRUD examples on an a_record/ptr_record set.
Merge pull request #17 from mjsommer/develop

Basic CRUD examples on an a_record/ptr_record set.
Raise a subclass of StandardError rather than Exception. Fixes #18
travis: Remove ruby-head; 2.1.2 => 2.1.5
Merge pull request #19 from govdelivery/standard_error

Raise a subclass of StandardError rather than Exception. Fixes #18
version bump to 0.2.17