simplified the structure and interaction between transport & server.
created initial unit testing on \JsonRpc\Request
added licence
added composer.json
restructured library - added vendor, and client/server namespaces
changed spelling of LICENCE to LICENSE
restructured namespace layout for core and exceptions.
fixed mistakes in readme.md
finalised implementation of the HttpStreamTransport for th client.
updated the server's interface to match conventions from the client.
added shortcut method for server
updated composer
updated readme.md to include the Client, and the shortcut methods for HttpClient & HttpServer.
Merge pull request #2 from nathan-muir/development