v4.2.0 Debugging, improvements and normalization release

[GabyGold67]

Debugging:

• HntdTmLtchMPBttn objects had wrong logic settings when entering the isDisabled state for some keepPilot and isOnDisabled combinations.

Improvements:

• DFA unconditional state changes allowed to cascade on more classes' state machines.

Normalization:

• The DblActnLtchMPBttn subclasses objects exited the isDisabled state in a sequence not consistent with other classes' objects.
• isOnScndry attribute flag moved upwards the classes hierachy. Now all DblActnLtchMPBttn subclasses include the attribute flag and have access to it's value through its getters, task and functions execution when turning On & Off.

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This discussion was created from the release v4.2.0 Debugging, improvements and normalization release.