Fix buffer leaks in BinaryMemcacheEncoderTest
Fix a buffer leak in BinaryMemcacheDecoder
Fix buffer leaks in BinaryMemcacheDecoderTest
Fix another buffer leak in BinaryMemcacheDecoderTest
Add convenient logging methods for logging exceptions quickly

.. Mainly useful for writing tests or ad-hoc debugging
Fix checkstyle
codec-memcache: No need to allocate a buffer if no extra is used.
codec-memcache: prefix abstract classes with Abstract.
Add support for 'charset' property for multipart boundaries

- Fixes #2004