only a few embodiments have been disclosed in detail above other embodiments are possible and the inventors intend these to be encompassed within this specification the specification describes specific examples to accomplish a more general goal that may be accomplished in another way this disclosure is intended to be exemplary and the claims are intended to cover any modification or alternative which might be predictable to a person having ordinary skill in the art also the inventors intend that only those claims which use the words u201c means for u201d are intended to be interpreted under 35 usc 112 sixth paragraph moreover no limitations from the specification are intended to be read into any claims unless those limitations are expressly included in the claims from the previous descriptions and drawings it would be observed to one skilled in the art that numerous variations and modifications may be effected without departing from the spirit and scope of the novel concept of the embodiments it is to be understood that no limitation with respect to the specific methods and apparatus illustrated herein is intended or should be inferred it is of course intended to be covered by the appended claims all such modifications as fall within the scope of the claims those of skill would further appreciate that the various illustrative logical blocks modules circuits and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware computer software or combinations of both to clearly illustrate this interchangeability of hardware.