Mostly improved Javadoc
Some other minor code style cleanup
Merge pull request #1512 from pveentjer/cleanup/3.x/javadoc

Mostly improved Javadoc
Improved javadoc
Merge pull request #1513 from pveentjer/javadoc

Improved javadoc
Fixes #1501 stackoverflow by and predicate
Add 'and' tests + test cleanup
Merge pull request #1515 from pveentjer/fix/3.x/andresultset-stackoverflow

Fix/3.x/andresultset stackoverflow