Support WSA mode by means of a token stream filter instead of a separate grammar
Renamed end variable
Renamed end variable in tests
end token is just another identifier when running in non-wsa mode
missed to commit the modified parser tests fixture
Merge branch 'wsa-token-filter' of https://github.com/drslump/boo into wsa
wsaboo.g and wsabooel.g are no more!
Merge upstream
refreshed generated boo parser