Add pull_requests attribute to Story

[gobetti]

In order to get it populated, fields: 'pull_requests' is required when
calling the method that retrieves the story(ies) - otherwise it's nil

[gobetti]

read access is enough for my needs but I suppose we could extend the PullRequest class with methods to modify it

[coveralls]

Coverage increased (+0.04%) to 97.028% when pulling 54ae048 on gobetti:feature/pull_requests into 2c656e6 on dashofcode:master.

[coveralls]

Coverage increased (+0.03%) to 97.023% when pulling 54ae048 on gobetti:feature/pull_requests into 2c656e6 on dashofcode:master.

[irphilli]

Good PR and great add. Sorry we haven't gotten to this sooner - we've just taken ownership of this gem and are still getting ramped up.

To make this PR complete, there would be some tests added that exercise reading the pull requests of a story. Do you mind adding some tests to the PR?

[qlty-cloud-legacy]

Code Climate has analyzed commit 1337312 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 97.5% (0.0% change).

View more on Code Climate.

[irphilli]

Added a simple test and will include this in the next release. Thanks again!