added fixed token capabilites to the api
added paginator to apiclient
added more unit test to the library and fixed some bugs
added integration tests
added more tests
added more information to errors
commit just for push
deleted parameter icon from variable
added more tests, improved code structure
Update README.rst

Added documentation.
added all objects to __init__ so them can be imported
hidden paginator internally
Merge branch 'javpaw/v16' of https://github.com/ubidots/ubidots-python into javpaw/v16
Merge branch 'javpaw/v16'