NewClient - Will initiate new client that will establish connection and attempt to authenticate against connected freeswitch server.

NewOutboundServer - Will instanciate new outbound server.

StringInSlice - Will check if string in list.

Freeswitch events that we can handle (have logic for it).

Size of buffer when we read from connection.

Client - In case you need to do inbound dialing against freeswitch server in order to originate call or see sofia statuses or whatever else you came up with.

Message - Freeswitch Message that is received by GoESL.

OutboundServer - In case you need to start server, this Struct have it covered.

Main connection against ESL - Gotta add more description here.