Command are now executed
login/auth is ok

makefile.am utiliser _HEADERS

COPYING is now GPLv2.

adding GPL header on autotools

Separation de l'historique des commandes et des messages (maintenant log)

history can now be save in file and load from file
options load environ
error class are now used
some fixes

Nouvelle gestion du positionnement

Creation des fichiers de base
Parser d'option