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. 7e6f6f8 encoding: avoid UB when casting to tlv::SignatureTypeValue by Davide Pesavento · 7 years ago
  3. 605671d signature: disallow encoding invalid SignatureInfo by Junxiao Shi · 7 years ago
  4. 4146975 signature-info: Fix encoding of type-specific TLV by Alexander Afanasyev · 8 years ago
  5. eee3e82 tests: respect naming conventions and improve nesting of some test suites by Davide Pesavento · 8 years ago
  6. 6be43f3 signature: Add ValidityPeriod into SignatureInfo by Yingdi Yu · 9 years ago
  7. 429634f tests: Change to updated naming conventions by Spyridon Mastorakis · 10 years ago[Renamed (97%) from tests/unit-tests/test-signature-info.cpp]
  8. 54ce668 all: rename Tlv namespace to tlv for consistency by Steve DiBenedetto · 10 years ago
  9. a7c7f9d security: Introduce unsetKeyLocator method into SignatureInfo and Signature by Alexander Afanasyev · 10 years ago
  10. 4a55705 security: Update Signature abstraction to match 0.1.1 spec by Yingdi Yu · 10 years ago