Initial commit of LogLog unit tests.
Remove error bounds test for LogLog merging unit test.
Merge pull request #51 from mspiegel/loglog-unittest

LogLog unit tests.
Fixes a rather grave bug in QDigest.compressFully. Strange that it was unnoticed before.
Merge pull request #52 from jkff/qdigest-bug

Fixes a rather grave bug in QDigest.compressFully.
Added Testcase
Fixed serialization
Merge pull request #53 from baunz/master

QDigest Serialization Issue
Let's not name our unit tests with the suffix "bug". It is ambiguous (which bug?)
and misleading (the bug has already been fixed). Added source code comments
with a URL to the git issue that identified and fixed the bug.
Merge branch 'upstream'