Fix iterator moving backwards and created unit test for the JniDBIterator
Update DBTest.java

Fix build failed for jdk 1.6
Updated readme to use latest release
Merge pull request #53 from dawnbreaks/patch-1

Update DBTest.java
Merge pull request #52 from Jaap-Jan/master

Fix iterator moving backwards and created unit test for the JniDBIterator
#42: Docs about the -all vs -os JARs