--------------------------
6.7 (development version)
--------------------------
* direct distributed solver: new mumps+scotch combined support (done)
* float128 support : quadruple precision (done; experimental)
* basis : high order Pk Lagrange: non-equispaced nodes (started)
* visualization: animation paraview support (TODO)
* slip boundary conditions (TODO)
* periodic boundary conditions (TODO)
--------------------------
6.6 (stable version)
--------------------------
* direct sequential  solver: enhanced umfpack/cholmod support
* variadic support for i/o with branch class and compose(f,u1..uN)
* visualization: paraview support
* Q2-P1d element for Stokes problem on quadrilateral meshes
* piola inverse transformation in nonlinear cases (quadrangles, curved)
  with damped_newton algorithms
* sparse matrix determinant computations in solver (mumps o umfpack)
* write in append mode for gziped parallel output files (branch; etc)
--------------------------
6.5 (oldstable version)
--------------------------
* discontinuous Galerkin method
--------------------------
6.4 
--------------------------
* flexible expressions for linear and bilinear forms construction
--------------------------
6.3
--------------------------
* porting improved on various massively parallel machines
--------------------------
6.2
--------------------------
* sparse matrix*matrix in distributed memory mode
* non-linear solvers improved (see p-laplacian example)
* minor bug fixes
--------------------------
6.1 
--------------------------
* intel c++ 12.0 & gnu c++ 4.7 supports
* high order Pk Lagrange interpolation rewritten
-----------------------
6.0
-----------------------
* distributed memory and computation support (MPI based)
* high order Lagrange interpolation

-----------------------
5.93
-----------------------
* debian packaging upgraded
---------------------
5.91
---------------------
* "namespace rheolef" added
---------------------
5.90
---------------------
* official debian packaging started
---------------------
5.89
---------------------
* mayavi2 support for 2d and 3d rendering (stereo vision, etc)
* generic damped newton method (documented with the p-laplacian)
----
5.76
----
* paraview support for easy animations
* new preconditioned conjugate gradient and minres for navier-stokes & incompressible elasticity
----
5.62
----
* mayavi support: see user manual (vtk support replacement)
* advanced support for tensorial fields and visualization as ellipsoids
* fixes for GNU C++ 4.1, 4.2 and 4.3 compilers
----
5.18 
----
* umfpack multifrontal solver library support
* new elementary matrix code, based on GiNaC C++ library
* debian binary and cvs source distributions
* fixes for GNU C++ 4.0 compiler
----
4.74
----
* characteristic method for transport and time-dependent problems
* animation for time-dependent bidimensional problems
* support for taucs out-of-core sparse direct solver
* support for qmg mesh generator (2d, 3d)
* support for doxygen documentation
* elementary forms uses dynamic loadable modules
* port on compacq/dec alpha 64 bits workstations
* source code honnors ansi c++ standards (headers, namespace std, ...)
* support for dmalloc (runtime memory debug)
