v0.14.0
Fix NULL dereference when serializing/measuring a tag with no item set (#420)
Replace CMAKE_C_FLAGS with target_compile_options, simplify LTO (#403)
FIx shared lib build
Fix NULL dereference in cbor_copy/cbor_copy_definite on allocation failure (#419)
Add cbor_copy_definite (#364)
Modernize CMake build system (#402)