Added unittests for IntegratedActionModelLPF + fix some warnings

Co-authored-by: Guilhem Saurel <guilhem.saurel@laas.fr>

Co-authored-by: Guilhem Saurel <guilhem.saurel@laas.fr>

Co-authored-by: Guilhem Saurel <guilhem.saurel@laas.fr>

More reorga (with logs) of the WWT part of the package.

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wtf ?

This reverts commit 56a6621c.

Add mask on joint dimensions for LPF

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Co-authored-by: Guilhem Saurel <guilhem.saurel@laas.fr>

cleaning deprecated methods

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