Update ACKNOWLEDGEMENTS to include @ariscn
Update ACKNOWLEDGEMENTS to include @ariscn

Add @ariscn to Acknowledgements list for surfacing a number of potential areas of improvement and at least one bug
timothycrosley/hug,MuhammadAlkarouri/hug,timothycrosley/hug,timothycrosley/hug,MuhammadAlkarouri/hug,MuhammadAlkarouri/hug