Fix bdalg.connect#474

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bnavigator merged 3 commits intopython-control:masterfrom

sawyerbfuller:fix-connect

Dec 21, 2020

Commits on Dec 18, 2020

added test needed to pass
sawyerbfuller
committed

Commits on Dec 19, 2020

bdalg.connect: added and fixed index checks to fix #421; docstring updated to indicate that Q matrix can be >2 columns
sawyerbfuller
committed

Commits on Dec 21, 2020

bdalg.connect: new tests that should pass, stylistic changes
sawyerbfuller
committed