Added test.
Fixed bug with initial timestamp handling.
Only allow window size greater than 1.
Removed unused methods.
Added some tests.
Cleanup.
Fixed wrong size check.
Improved visibility.
Improved visibility.
Return null when optional is absent.
Correctly rely on Storage#end for initial value.
Force consolidation on close.
Added more tests.
Trigger a single consolidation.
Improved tests.
Added some more tests.
Added comment.
Improved documentation.
Cleanup.