Update Recruiter and Posting specs to supply IDNumbers to its example Recruiters.
Update interactions.md with next intended feature addition.
Add preliminary spec for JobseekersByDateReportGenerator class.
Fulfill spec for JobseekersByDateReportGenerator.

Preliminary spec, in anticipation of more realistic reports.

Add JobseekersByDateReport and JobseekersByDateReport classes.
Add named "posting" parameters.

Add named "posting" parameters to Submitter#submit_application and SubmissionRecorder#submit_application.
Add spec checking SubmissionRecorder default dates.

Add spec testing whether SubmissionRecorder generates SubmissionRecords with the current date by default.
Fulfill SubmissionRecorder default date spec.
Add spec for date: param on #submit_application.

Add spec confirming that SubmissionRecorder#submit_application takes a date: parameter and applies it to the returned SubmissionRecord.
Date param used by #submit_application.

SubmissionRecorder#submit_application applies the given date: to the SubmissionRecords that it generates.
Date spec on JobseekersByDateReportGenerator.

Add spec checking whether JobseekersByDateReportGenerator actually filters its output by the Date given to its initializer.
JobseekersByDateReportGenerator filters by date.

Update JobseekersByDateReportGenerator to generate a report with only those Jobseekers that applied on the date given to its initializer.
Update interactions.md with feature addition.