Cleaner implementation of NetzobRegex
fix buildDataRepresentation for Decimal Type
fix a small error which prevented some valid hexastring to be considered as parsable
Upgrade the RegexBuilder for Data variables
Use buildRegexForAlternariveRegex to build Alternative Regexes
Upgrade the regex builder and multiple sized regex by 2 to consider half-bytes and not bytes
fix some of the Field tests
upgrade attributes definition in  constructor of AbstractField class
fix a small bug in the Field regex builder