Encode buckets and keys using base16.
merge
missed a merge conflict
Added get_bucket/set_bucket call.
It compiles
Setting bucket properties works
Higher cover
Updated type specs, testcase for failing precommit.
Merge branch 'master' of github.com:b3rnie/krc into bj-mapred

Conflicts:
	src/krc_server.erl
mapred WIP