libt2n: (tomj) increase version

[libt2n] / README

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-libt2n (talk2neighbor) is a C++ IPC (inter process communication) library.
+-------------------------------------------------------------------
+libt2n version 0.4
+-------------------------------------------------------------------
+libt2n (talk2neighbor) is a C++ IPC (inter process communication) library
+with an additional code generator (libt2n-codegen).
+
+Before inventing our own IPC library, we checked a lot of other IPC frameworks
+like CORBA, D-BUS and ICE. But they weren't easy to use and did not allow
+passing complex C++ objects like vectors, maps and your own classes.
+
+Communication between client and server is currently done using
+Unix domain sockets (named pipes) or TCP. But the library is designed
+transport-independent, so it can be expanded to
+shared memory or other mechanisms.
+
+Serializing all the complex objects is done with Boost serialization. 
+The complete manual is generated by doxygen in the doc directory.
+
+Changes from 0.3
+----------------
+* Add Client-Wrappers, see examples-codegen/example1-client-wrapper how to
+  use them
+* API-incompatible change:
+  command_client now takes a client_connection pointer instead of a reference
+* Fix build of documentation for "out of tree" builds
+* Fixed a bug with nested namespaces
+* Fixed a bug with incomplete writes (Robert Huitl)
+* Provide access to buffer/block sizes of socket handler
+* Updated documentation
+
+You'll find the newest version of libt2n at:
+http://www.intra2net.com/de/produkte/opensource/libt2n/
+
+-------------------------------------------------------------------
+www.intra2net.com                            2006-2008 Intra2net AG
+-------------------------------------------------------------------