updated ArangoDB-PHP driver version to match ArangoDB 1.1
Documentation and changelog fix

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Implementation of firstExample(), Documentation and changelog fix

Signed-off-by: Frank Mayer <frank@frankmayer.net>
Implementation of firstExample(), Documentation and changelog fix

Signed-off-by: Frank Mayer <frank@frankmayer.net>