v1.0.4

Maintenance release.

• Upgrade developer dependencies to address security warnings

v1.0.0

• Performance improvements
• Fixed backtracking for levenshtein() and ted()
• Changed API of levenshtein() and ted() to Mapping objects, i.e., .alignment().mapping → .pairs()

v0.0.2

• Added Levenshtein distance and respective alignment
• Added tree edit distance alignment

v0.0.1

• Added tree edit distance