Bump version: 0.2.4 → 0.2.5
Bump version: 0.2.3 → 0.2.4
Bump version: 0.2.2 → 0.2.3
Bump version: 0.2.1 → 0.2.2
Bump version: 0.2.0 → 0.2.1
Add boundary feature, more test cases and a example
the version that can process viterbi correctly