Merge pull request #184 from wolfgangmm/develop

[bugfix] Package manager: ignored package dependencies.
Make relation with saxon jars less strict. Requested By Chris.
http://markmail.org/message/iya6ssobrnya33ro#query:+page:1+mid:iya6ssobrnya33ro+state:results
Add testcaser for issue concat operator in attributes
Merge pull request #185 from dizzzz/develop

Make relation with saxon jars less strict.
Merge pull request #188 from wolfgangmm/develop

[bugfix] Package manager: uninstalling a package with empty target colle...