ECC encryptor implementation
Add 'ecc' to encryptor.make factory
Add PyECC dependency to README
Add tests to ECC.can_encrypt method
Support public=None
Remove unused code
Merge remote-tracking branch 'upstream/development' into elliptic_curve
Quit test runner with error when tests fail
Move unittest import to a compat module
PyECC as a soft dependency
Unit tests to ECC
Merge branch 'development' into HEAD
Hopefully fixed rc var error
Fixes that make #68 finally pass tests on my machine