getDB: Generating a Database Connection String
In retrography/OrientR: R Wrapper for OrientDB's REST API

This function generates a database connection string based on the parameters. The resulting URL has to be passed into the other functions (e.g. runQuery) in order to indicate the database to be queried.

1	getDB(database, host = "localhost", username = "admin", password = "admin", port = "2480")

`database`	The name of the database you would like to open.
`host`	The host name or the IP address of the host.
`username`	The username you would like to use for databased access.
`password`	The corresponding poassword.
`port`	The HTTP port number, in case you are not using the default 2480.

getDB("GreatfulDeadConcerts",
      host = "dbserver.local",
      username = "root",
      password = "toor",
      port = "1234")

# [1] "http://root:toor@dbserver.local:1234/query/GreatfulDeadConcerts/sql"


getDB("Beers")

# [1] "http://admin:admin@localhost:2480/query/Beers/sql"