Version 0.1.2

Changes since version 0.1.1:

- Copy files from submodule sss into the root directory if this repository.

Version 0.1.1

Changes since version 0.1.0:

- Remove an unintended side channel which allows a participating attacker with
  access to a accurate timing channel to iteratively guess shares during the
  execution of `combine_shares`.

Version 0.1.0