[WIP] Issue 15: JOIN Support
Changed some tests to match new queries
Minor change concerning alias argument
Added support for OUTER joins + bugfix in DescendantNode Join condition
Reordered use statements, changed 'AS' to 'as'
Merge pull request #115 from wjzijderveld/15-implement-joins

Issue 15: JOIN Support
cosmetics
Extended readme for testruns
Reorganized testing hints
Merge pull request #117 from Toflar/test-doc-improvements

Extended readme for testruns
Implemented deleting given workspace
Also clean up binary data
Merge pull request #118 from Toflar/workspace-delete

Implemented deleting given workspace
fix support for deleteWorkspace in the CachedClient
ws fix