Namespace List
Here is a list of all documented namespaces with brief descriptions:

SalesforceRestClient | SalesforceRestClient namespace contains all the objects in the SalesforceRestClient module
SalesforceRestClient | This class provides the REST client API for communication with Salesforce.com
SalesforceRestConnection | Class for Salesforce.com REST connections; returns SalesforceRestClient::SalesforceRestClient objects