Connects to a specified IP address and port. The return value indicates success or failure. Also supports DNS lookups when using a domain name.
// SYNTAX client.connect(); client.connect(ip, port); client.connect(hostname, port);
ip: the IP address that the client will connect to (array of 4 bytes)
hostname: the host name the client will connect to (string, ex.:"particle.io")
port: the port that the client will connect to (
Returns true if the connection succeeds, false if not.