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Add assembler ; much testing to do.
Crap. Here it is.
Assembler kind of works ; created simple assembly program that prints Tick! every second.
Premier mail emile
Petites modifications
2e mail Emile
Merge branch 'emile' into integration-progressive

Conflicts:
	asm/_tags
	asm/asmlex.mll
	asm/asmpars.mly
	asm/assembler.ml
Merge branch 'integration-progressive'

Conflicts:
	asm/asm.ml
	asm/asmlex.mll
	asm/asmpars.mly
	asm/assembler.ml
Remove SP initialization, it's actually useless.
Remove useless D initialization, remove LA instruction (actually, it is LI)