Give Admins Date Range to Create a PR

[BrandonCookeDev]

We would like to give admins START and END date input boxes so they may generate a PR based on that.

[BrandonCookeDev]

Coupling this issue with #138 will knock them both out in one fell swoop

[BrandonCookeDev]

So I definitely didn't couple it with the above PR. Ran out of time. Will have to do this in a later release.