Ability to specify both branch and sha parameters at same time in GHCommitQueryBuilder

[vr100]

Github allows you to specify "sha" parameter multiple times while querying for commits. For eg., the case where we need commits from branch x from commit sha y, we could specify sha query parameter twice in the github api url. The current code has no way to achieve this scenario.

(This is related to Merge of pull request #86 . Commit : a409b4f)

[vr100]

Sorry for the confusion.
Here is the details of what works and what does not work

Works:
gitHub.getUser("kohsuke").getRepository("github-api").queryCommits().from("gh-pages")
=> Shows all 45 commits in branch gh-pages

Works:
gitHub.getUser("kohsuke").getRepository("github-api").queryCommits().from("5c6267b37624540c568a18ae7ee337a00a2d992c")
=> Shows the three commits starting from the given commit sha

Works:
gitHub.getUser("kohsuke").getRepository("github-api").queryCommits().from("gh-pages").from("5c6267b37624540c568a18ae7ee337a00a2d992c")
=> Shows three commits from the given commit number. Actually ignores the branch option given
and takes only the sha option. (This was the case I tested first and closed the issue :( )

Doesn't work:
gitHub.getUser("kohsuke").getRepository("github-api").queryCommits().from("5c6267b37624540c568a18ae7ee337a00a2d992c").from("gh-pages")
=> Shows all 45 commits in branch gh-pages. It ignores the sha option we have specified.
Expected: Show only 3 commits from given sha from the given branch

[vr100]

Tested the corresponding two apis with Github REST calss:
https://api.github.com/repos/kohsuke/github-api/commits?sha=5c6267b37624540c568a18ae7ee337a00a2d992c&sha=gh-pages
https://api.github.com/repos/kohsuke/github-api/commits?sha=gh-pages&sha=5c6267b37624540c568a18ae7ee337a00a2d992c

The github-api is working the same way the REST api does. Hence closing the issue. Sorry for any inconvenience caused.