v0.5.4

• Implemented #28: The anchor command was improved: now the introduced knowledge is displayed.
• Added a --version command.

Bug corrections:

• Fixed #25 (clustering): accents are now taken into in the distance computation (bug reported by Antonio Casares)
• Fixed #29 (clustering): plurals/suffixes are taken into account even for scope inference
• Fixed #30 (addquotes): scope should be handled correctly

Misc:

• The code is now typed!
• Introduced tests (run make test in the development environment).