Link to internal Earley algorithm documentation
Merge pull request #7 from aredridel/algorithm-documentation

Link to internal Earley algorithm documentation
Add character classes as a token type
Remove old predefined character classes
Fix stringliteral bug
Merge branch 'master' of https://github.com/Hardmath123/nearley
/actually/ fix said bug
Merge pull request #8 from aredridel/add-charclasses

Add charclasses