continue switch to ifError
Add better command-line handling in binaries, and add hex inputs to the cbor2 bins.
Merge commit 'f34208196610b528cd4275dcc1044fb3243f6220' into nan-array

* commit 'f34208196610b528cd4275dcc1044fb3243f6220':
  Enable and add tests for decoding various IEEE 754 NaN values
Add better command-line handling in binaries, and add hex inputs to the cbor2 bins.