Add a minimal hive with "special" keys and values
lib: Use vk->len for string conversion
perl: Add test for "special" keys and values
python: Add test for "special" keys and values
perl: Properly decode node names, value keys from UTF-8
python: Python 3 no longer recognizes long integers
python: fix test runner so scripts are found when building out-of-tree
ruby: Fix tests for out-of-tree build, simplify test scripts
ruby: Properly declare UTF-8 encoding on node names, value keys
ruby: Add test for "special" keys and values