Now we can retrieve a list of objects from a list of IDs.
err should be passed to done() whenever it is available.
Cleanup of getGroup()
Test cleanup.
Cleanup around createGroup and saveGroup.
Cleanup around createOrSaveGroup.
First attempt of displaying the members of a group.
Adapted tests to new member query function. (Tests need to be reworked...)
Merge remote-tracking branch 'upstream/master'
Merge pull request #87 from leider/master

neuer tag - neuer pull request
Merge remote-tracking branch 'upstream/master'
Update documentation for standalone Mac OS X CLI and grunt cli.

* When you have installed the standalone version of the xcode command line tools,
  xcode-select will fail during `npm install`, see http://stackoverflow.com/questions/12135979/node-js-can-not-install-iconv-module
* Installing grunt before grunt-cli will let the build fail. As stated on http://gruntjs.com/getting-started, `grunt` has to be
  removed before installing `grunt-cli`.
Merge pull request #89 from mfriedenhagen/mac-os-x-cli-only-documentation

Update documentation for standalone Mac OS X CLI and grunt cli.
Merge pull request #88 from NicoleRauch/master

Datenbank liest jetzt ganze Listen von Elementen aus
merge Nicole's changes
fixed test