Added k-type thermocouple example and test, updated requirements.txt to proper package name, PEP-8'd some shit, removed unused imports.

Updates for bit shifting and PEP8'ing tested and working. Ready to publish

Modified tests and simpletest to use new PEP8'd function names

Corrected bit shifting for CR1, PEP8'd some function names.

Update max31856.py

Updated to patch bit shifting problem. See issue #2.

Updated tests to allow Py3 compatibility.

Update __init__.py

Updated README to work with venv and Python3.

Updated negative value bug to use proper number of bits.

Fixed bug in max31856.readTempC() for negative temps

Fixed variable reference by adding 'self.' to refer to class variables, updated version number.

Modified max31856.py to work with negative numbers

Installation instructions fixed, and simpletest.py working.

Update setup.py