Pass custom typed values as is
valid spec for new_client()
valid fetch_more spec
Merge branch 'grammarly-master'
ignore .rebar
Provide ability to specify custom value encoders
remove encoder custom binary pass clause
Merge pull request #36 from grammarly/custom_encoder

Custom encoder
try to use system rebar
update rebar to 2.5.1; Makefile use local one
Merge pull request #37 from grammarly/master

Update rebar to 2.5.1 (fixes work under erlang.mk)
Merge pull request #1 from matehat/master

back merge