release 1.2.4

release 1.2.3

release 1.2.2

release 1.2.1

release 1.2.0

release 1.1.9

Update changes.md

increased version to 1.1.7

bumped version to 1.1.6, updated md files

1.1.6-SNAPSHOT -> 1.1.5, fixing missing javadoc at maven central