* Add algorithm unit tests
* Add Brokerage unit tests
* Add Common unit tests
* Fix unit test bugs
* Add remaining unit tests
* Address requested changes
* Address requested changes
* Fix failing unit test
* Address requested changes
* Handle/filter brokerage side orders
* Add unit tests
* Minor fix
* Add unrequested security for new brokerage-side orders
* Add unit test for algorithms overriding the brokerage message handler
* Add unit test for python algorithm overriding the brokerage message handler
* Minor change
* Address peer review