Use Jazz JSON in protocol.
Jazz uses maps everywhere
Test tweaks
Change some deps
WIP update docs
Add mix local.hex to .travis.yml
Force local.hex
Removed expm package
Readme update and version bump
Remove unused http module
Documentation updates
Merge branch 'master' into feature/hex_dependencies

Conflicts:
	README.md
	mix.exs
Merge pull request #29 from stuart/feature/hex_dependencies

Feature/hex dependencies
Merge branch 'master' into feature/nil_element_response