Javallier Versions Save

Release mostly concentrated on speed ups.

• PR49: When creating a BigInteger from an array of bytes, needs to provide the signum
• PR50: Travis CI will now test the command line tool
• PR51: Use reduce exponent trick from python-paillier.
• PR52: Use GMP for modexp in more places.
• PR53: Improvement to tests

Note the github repository has moved from NICTA to N1Analytics.

• Add ability to encode BigDecimal values
• Add getSafeEncryptedNumber to api
• Refactoring to separate Encoding from Context.
• Bug fix for overflow in mock context

Features added

• Reconfigurable base #21, #22
• Additional speed improvements using GMP
• Beta command line utility #23. Note known problems exist (#34, #35, #36)

Other bug fixes (e.g. #19)

Major changes for Javallier v0.4:

• Introduction of Paillier Context api
• Significant speed improvements