updated api version number (20100)
updated api version number (20100)

frankmayer/ArangoDB-PHP,arangodb/arangodb-php,frankmayer/ArangoDB-PHP,arangodb/arangodb-php,cesarsmaniotto/arangodb-php,diabl0/arangodb-php,diabl0/arangodb-php,cesarsmaniotto/arangodb-php