Bump minor version
RDD pull request option
Remove current feature from TODO
Add branch command to rdd
Make code more readable
Clearer example
Make readme clearer.
Change option to -p; Include pr in clioptions
Impl .pull_request_branch
Add logic for pull request build in factory
Ensure pull_request_branch returns nil if no arg
New PullRequest build with arg or current branch
Extract #build_branch into Generic sub class
Implement #build_branch for pull request
Remove base requirement from Master
Extract ShaDetectable behavior into module
Check if detected and pull request
Implement reset of logic for PR#build_branch
Update readme with updated version
Edit readme