removing leftover printout

Merge pull request #470 from RoaringBitmap/issue469

fixes Issue 469 (various Validate bugs)

Merge pull request #468 from RoaringBitmap/issue467

fixing issue 467

Merge pull request #460 from RoaringBitmap/fix-459

Fix 459

Merge pull request #453 from RoaringBitmap/dependabot/go_modules/gopk…

…g.in/yaml.v3-3.0.0

Bump gopkg.in/yaml.v3 from 3.0.0-20200313102051-9f266ea9e77c to 3.0.0

Merge pull request #451 from RoaringBitmap/bsi-bigvalues

BSI library expanded to include support for large arbitrary values via the big.Int library

Merge pull request #447 from RoaringBitmap/fix_returned_value_roaring…

…64_from_unsafe_bytes

Fix returned value roaring64 from unsafe bytes

Merge pull request #443 from RoaringBitmap/issue440

more fixes regarding issue 440

Merge pull request #442 from RoaringBitmap/issue440

further fix for issue 440

Merge pull request #441 from RoaringBitmap/issue440

fix: make RunOptimize idempotent