Better var naming (after work in #23), also change some comments, coding style.
Better var naming (after work in #23), also change some comments, coding style.

Alwnikrotikz/django-pyodbc,WilliamRen/django-pyodbc,AlanZatarain/django-pyodbc,AlanZatarain/django-pyodbc,WilliamRen/django-pyodbc,Alwnikrotikz/django-pyodbc