replaced Number impl for Encode with Integer and Float, in order to be compatible with Elixir v0.10.4-dev
Merge pull request #10 from zambal/integer_and_float_protocol_impl

Replaced Number impl for Encode with Integer and Float
Cleanup. Maintaining v0.10.3 support for now
Added Vincent Siliakus
Merge pull request #9 from falood/master

replace iolist_to_binary with to_string for utf-8 support
bumped version number
Changed supported elixir version to 0.11
bumped version number