Reorganized benchmarks
Added BitmapInfo Test
BitmapInfo fixes, test now passes.
Updated RoaringBitmap to 0.4.1
Added ImmutableBitmapCollection
Forgot some simple things for ImmutableBitmapCollection
Converted all circuits to use Buffer classes
Fixed Tests
Cleaned up benchmarks, now uses buffer classes
Cleanup + Some bug fixes
Updated to RoaringBitmap 0.4.2
Fixed TopKBenchmark, temporarily disabled comparator/threshold result validation
Prettier Thresholder generation
Forgot to add a file
Renamed BitmapInfo to match buffer class naming scheme.
Small adjustments to benchmarks