Development tasks

- core programming and development
    - documentation so others can do core development
    - clean up all ugly hacks
    - see if core data structure can be made more powerful
- python 2 to python 3    
- useful scripts
    - collect useful scripts from users
    - develop published coding style that useful scripts can follow
        - may just be examples
- hvac modules 
    - testing and further development
    - build example systems
    - build generic functions that can plug in any hvac system
- outputs parsing
    - parsing html, csv, sqllite
    - filtering output data using different logic
    - comparing between models
- display outputs 
    - graphs
    - tables
    - data stream
- output graphing
- input graphing
- input calculations
- gui example ? - html, desktop, hosted online


