Test Script Updates (#107)

* script updates

* update build script with option to run queries on existing database. Add requirements.txt for installing dependencies

* remove need to clean.cmd and add --no_clean flag to script. add comments

* WIP adding excel output functionality

* WIP test external driver projects with queries

* WIP

* WIP adding query health report

* WIP adding query health report

* comments

* output test run results to excel file

* update unit test excel output

* bug fix

* add counter

* cleanup

* add existing database option to external drivers option

* add query health results file as example

* add compare script

* fix bug

Author: jacob-ronstadt