Release 1.6.3b
Added PatternGroups to allow us to take advantage of similar statistical distributions for various compounds
Fixed bug in TokenPatternImpl (add pattern before exception start)
Fixed bug in tokeniserPatterns_compound_fr (mark single quote after d', qu', s', as exception)
Fixed bug in tokeniser_compound_fr (no pattern name in feature results = global features for all patterns)
Change tokeniser_compound_fr features to use CurrentGroup as well as CurrentPattern concatenated to full feature group