applied a modified patch from Christian Grobmeier

add and delete support
https://issues.apache.org/jira/browse/SANDBOX-183



git-svn-id: https://svn.apache.org/repos/asf/commons/sandbox/compress/trunk@732999 13f79535-47bb-0310-9956-ffa450edef68
6 files changed
tree: b99dae8176dda15766be72d7f1d308dbfac4f300
  1. src/
  2. LICENSE.txt
  3. NOTICE.txt
  4. pom.xml