ndn-cxx version 0.6.1

New features:
-------------

- (potentially breaking change) expressInterest now by default
  loopbacks Interests to producer callbacks on the same Face. When
  undesired, use InterestFilter::allowLoopback(false) (Issue 3979)
- New signal in SegmentFetcher to notify retrieval of Data segments
  (Issue 4438)
- Initial support for the Content Store management protocol (Issue
  4050)
- Literal operators for time::duration types, such as 1_s, 42_ms,
  30_days (Issue 4468)
- Support for BLAKE2 hash function (requires OpenSSL >= 1.1.0)
- A escape() helper function complementing the existing unescape()
  (Issue 4484)

Improvements and bug fixes
--------------------------

- ndnsec key-gen command line now allows customization of key ID
  (Issue 4294)
- Fixed encoding of '~' and '+' in Component::toUri() (Issue 4484)
- Fixed handling of large dates when converting to/from string (Issues
  4478, 3915)
- Fixed error handling in KeyChain::importSafeBag() (Issue 4359)
- Fixed parsing of IPv6 addresses with scope-id (Issue 4474)
- io::load() now handles empty files properly (Issue 4434)
- Switched to using boost::asio::basic_waitable_timer (Issue 4431)
- Allow linking multiple DummyClientFace instances together to emulate
  a broadcast medium (Issue 3913)
- Fixed build when std::to_string is not available (Issue 4393)
- Avoid undefined behavior when casting to tlv::SignatureTypeValue
  (Issue 4370)
- Fixed compilation with Boost 1.66.0 (Issue 4422)
- Various documentation updates (Issues 3918, 4184, 4275)

Removed
-------

- Removed obsolete TLV-TYPE constants (Issues 4055, 3098, 3755)

1. 0f83080 util: add literal operators for duration types by Davide Pesavento · 7 years ago
2. 2bea5c4 tests: revamp Face integrated tests by Junxiao Shi · 7 years ago
3. c542f63 ims: move InMemoryStorage from util/ by Junxiao Shi · 7 years ago[Renamed (84%) from tests/unit-tests/util/in-memory-storage-persistent.t.cpp]
4. 4c9a3d5 security: Move KeyChain to security::v1 namespace and deprecated it by Alexander Afanasyev · 8 years ago
5. 85d9083 tests: move makeInterest/makeData/etc to ndn::tests namespace by Junxiao Shi · 8 years ago
6. 429634f tests: Change to updated naming conventions by Spyridon Mastorakis · 10 years ago[Renamed (92%) from tests/unit-tests/util/test-in-memory-storage-persistent.cpp]
7. 3ccc6f7 tests: Small corrections in cases by Alexander Afanasyev · 10 years ago
8. 9913596 util: in-memory storage by Jiewen Tan · 10 years ago