added no cache option to disable cached compilation
refactored classifier add logic
make __rshift__ and __add__ structure closer
sequential classifier composition, refactor 1
sequential classifier composition, refactor 2
replaced lists w/ deques in Classifier
removed unecessary empty list in Classifier constructor
fixed bug caused by missing import of match
classifiers can be directly extended
classifiers can be copied
cleanup classifier init
some cleanup and optimization
made classifier generation consistent
moved negate compilation to classifier
cleaner invert
removing unecessary appends, kudos to Omid for catching this
removed un-hitable case
un-nest sequential helper function
tweaks to classifier __add__
major refactor of sequential composition of classifiers