v0.3.0

PikaParser v0.3.0

Diff since v0.2.0

Closed issues:

• Extra clauses to simplify frontend (#5)
• complete scanning of canMatchZeroChars (#6)

Merged pull requests:

• Simplify API by moving clause IDs to matches (#9) (@exaexa)
• simplify make_grammar, implement flood filling of canMatchZeroChars (#10) (@exaexa)
• clause cleaning & sepBy alternative (#11) (@exaexa)
• practical examples and some fixes (#12) (@exaexa)
• traverse improvements (#13) (@exaexa)