update changelog

Release 0.2.0

Fixup gemspec for publish.

Merge pull request peek-travel#21 from gadabout/hotfix/base-url-path

Fix base urls with path not working.

Merge pull request peek-travel#20 from gadabout/feature/rewrite-tests

Rewrite tests to use minitest and use a more scenario driven approach

Merge pull request peek-travel#17 from gadabout/feature/pagination

Add pagination and collections.

Merge pull request peek-travel#16 from gadabout/feature/configuration

Configurable inflection modes and more query support.

Merge pull request peek-travel#15 from gadabout/feature/changeset-err…

…or-reporting

Adds errors to changesets.

Merge pull request peek-travel#14 from gadabout/feature/add-related-t…

…o-changesets

Added ability to add relationships to changesets.

Release 0.0.13