Changes for version 1.3
- the incremental parser didn't properly parse tagged values (testcase by Mons Anderson).
- slightly speed up encoding of plain (nonmagical) arrays.
- try to clarify further that effectively all 32 bit architectures have 64 bit integer support.
- upgrade libecb.
- CBOR::XS - Concise Binary Object Representation (CBOR, RFC7049)