v5

Adds new object API (cmp_object_is_*, cmp_object_as_*) which, among other things, can be used for peeking, and fixes a bug where EXT type and size were reversed while reading and writing binary output.

v4

Fixes handling of blank strings and binary data (thanks @jdpalmer!)

v3

Fixes reading signed integers

v2

Features an improved API for reading integers.

v1

First version suitable for release.