Added fetching of server version details.
Merge pull request #102 from frankmayer/devel

updated ArangoDB Version for travis to 1.3.devel
Merge pull request #99 from F21/server_version_details

Added fetching of server version details.
Merge pull request #105 from frankmayer/devel

Disabled some tests because of missing statistics in ArangoDB 1.3
Removed clashing files.
Merge pull request #108 from F21/devel

Removed clashing files.
Fixed precondition failed in #95
Merge pull request #109 from F21/precondition_issue

Fixed precondition failed in #95
Updated version
Implemented transaction support and tests