darcs patch: Expose socket internals in a new module. (and 3 more)

Sun Feb 1 21:55:08 GMT 2009 Johan Tibell * Expose socket internals in a new module. Expose some of the internals in a new module, Network.Socket.Internal, to make it easier to extend the functionality of the library. Sat Feb 28 08:59:05 GMT 2009 Johan Tibell * Expose protocol family data type and helpers in internals module. Ignore-this: 23fdb3b21bac47c98dcb2a0212f9b0d7 Sat Feb 28 09:05:39 GMT 2009 Johan Tibell * Whitespace changes only (remove tabs). Ignore-this: 3a695c355c6122ea13360046512b58f9 Sat Feb 28 10:00:24 GMT 2009 Johan Tibell * Added more documentation. Ignore-this: daae026cbffc50163316e5d7815be87e