that makes full use of libes.a.
The user guide is in Lesson4 of the tutorial - programmer's guide
will come later.
Plus many small changes here and there
I also changed
- the eoQuadratic into eoQuad (as dicussed with Maarten)
- the eoBin into eoBit, with more appropriate names for the "binary"
operators (that can be unary!) as no one protested when I posted on
eodev list