[BEAM-105] We may attempt to remove an inactive window from the active window set.#38

Merged

asfgit merged 5 commits intoapache:masterfrom

mshields822:non-active-remove

Mar 10, 2016

Commits on Mar 9, 2016

Only remove window from active window set if it is still active
Mark Shields
committed

Commits on Mar 10, 2016

Add unit test.
Mark Shields
committed
Whitespace
Mark Shields
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remove is idempotent
Mark Shields
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Undo
Mark Shields
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