Merge pull request #5 from lytics/time-windowing

removed unused file

Merge pull request #4 from lytics/time-windowing

Adding a time windowed queue, so that we can support sliding windows.

Merge pull request #2 from lytics/code_cov

code coverage

Merge pull request #1 from lytics/opQueue-uniq-errors-depth-vs-width

adding errors that are different for depth vs width