New approach for operator overriding
Merge branch 'master'

Conflicts:
	sandbox/jlf/_diary.txt
	sandbox/jlf/internals/notes/operators.txt
	sandbox/jlf/trunk/interpreter/expression/ExpressionOperator.cpp
	sandbox/jlf/trunk/interpreter/expression/ExpressionOperator.hpp
New approach for operator overriding : work in progress
New approach for operator overriding : work in progress
New approach for operator overriding : work in progress
Finalization of the implementation of alternative operators (for array programming)
Merge branch 'operators'