Support for arrays in the first level of tracking data.
throw json at customerio
incremented version number
addressed issues
Merge commit '7ba12664b5f0b5384b26524692dce9a4c53c3107' into add_json

Conflicts:
	customerio/__init__.py
Encodes entire JSON string into request

Also fixes bug in error message
Merge pull request #6 from orblivion/add_json

Adds json without requests module