upgrade ebnf-parser - fixes #182
upgrade lex-parser
0.4.7
fix cli option collision
option to set parser type from the cli
0.4.8
debug cli option should be a flag
fix bug with lr closure operation - fixes #183
0.4.9
Merge remote-tracking branch 'upstream/master'

Getting zaach's latest changes.
Enabled aliased symbols in parser (issue #184). Fixed token stack (#181).