Merge pull request arangodb#37 from joowani/develop

Add parameter replication_factor to method Database.create_collection

Add Database.get_document method to allow direct retrieval of documen…

…ts by ID

Force kill ArangoDB at the end of Travis CI builds

Merge pull request arangodb#26 from joowani/develop

Develop

Add arguments check_cert and use_session to ArangoClient

Change default host to 127.0.0.1 from localhost

Add more user API methods and improve documentation

Update README.rst

Revamp the entire library for ArangoDB 3.x

Update README.md