Set version to 0.7.1

Bugfix on erase_prefix when erasing a full hash_node

Set version to 0.7.0

Update cmake_minimum_required to 3.10

Update Windows and MacOS CI to latest version

Bump cmake_minimum_required version to 3.8

Add burst_threshold limit check to the size limit of array_hash

Fix code example of `for_each_prefix_of` in comment (#53)

Use macOS 13 in CI

Add .clang-format file and apply

Improve erase_prefix tests to catch issue solved by ad6d85cfa239b26e2ce5dbfe13a51a1c581799a4

Fix erase_prefix issue #57, empty nodes were not correctly cleared

Add for_each_prefix_of methods to obtain path to longest prefix (#52)

Update CI

Apply clang-format --style=Google