Cleanup of comment and coding style to match existing conventions.
Move Cra out from Child of Core - add Cra to namespace.
Add WampRequestContext class, remove Thread.GetNamedDataSlot
Add WampCraHost, WampCraServerBuilder, and DefaultWampCraHost
Make uri lookups for topics and RPC case sensitive.
Use SessionId generator instead of GUID for WAMP-CRA to be more like Autobahn
Add SSL support to FleckWampConnectionListener (reportedly Fleck is broken here...)