code cleanup

I made some slight variable name changes. i also begun working more on
storing the financial data. sometime the amount we get is different from
from the original amount entered into the appliance table.
Merge pull request #9 from nwalk/feature

code cleanup
formatting inputs

I would like everything that is stored in the database to be lowercase.
That way when a search is performed, rows will not be missed because of
case sensitivity.
Merge pull request #10 from nwalk/feature

formatting inputs
Merge pull request #11 from nwalk/development

Development
Revert "Development"
Merge pull request #12 from nwalk/revert-11-development

Revert "Development"
Merge pull request #13 from nwalk/feature

Feature
Merge pull request #14 from nwalk/development

Development