Fix Python3 compatibility

Use sorted on dict_keys object, not sort which is unavailable
Fix or equals comparitors
Add unittests

Prepare for travis testing with coverage

Add test for:
    * Example
    * Small two part Example
    * Add operation
    * And operation
    * Or operation
    * Not operation
    * Equals (==)
    * Not Equals (!=)
    * Greater Than (>)
    * Less Than (<)
    * Greater Than or Equal To (>=)
    * Less Than or Equal To (<=)
Add travis continuous integration tests

Add Makefile for building, testing, generating docs
Add tox configuration
Changed copyright notices to comments, add full similarity comparsion, allow tolerance changing
Fixed Similar Or Gt/Lt Test
Merge pull request #8 from bwrsandman/travis

Add travis testing
Partial Update of docs to version 1.1