Implement support for custom PR-table

                    
|Q            |A   |
|---          |--- |
|Bug Fix?     |no  |
|New Feature? |yes |
|BC Breaks?   |no  |
|Deprecations?|no  |
|Tests Pass?  |no  |
|Fixed Tickets|#119|
|License      |MIT |
                    

Allow PR-table to be repo oriented
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