v2.5.0-beta5

v2.5.0-beta5 is fuzz tested and production quality, but docs need to be updated before releasing v2.5.0.
IMPORTANT: Please view these release notes (esp. v2.5.0-beta) before upgrading from v2.4 or earlier:

• v2.5.0-beta4 - Bugfix for Diagnose to return io.EOF on empty data.
• v2.5.0-beta3 - Add functions: Diagnose, DiagnoseFirst, UnmarshalFirst, Wellformed.
• v2.5.0-beta2 - Bugfix to retry in Decoder if io.Reader's Read() returns 0 bytes read with nil error.
• v2.5.0-beta - Notable improvements, optimizations, bugfixes, and 8 new contributors!

What's Changed since v2.5.0-beta4

• Add Decoder.Buffered to return remaining data in buffer by @fxamacker in #412
• Update README.md for v2.5.0-beta5 by @fxamacker in #413

Full Changelog: v2.5.0-beta4...v2.5.0-beta5