Updated .gitignore.
Added more properties to the connection details element.
Added more test methods to test db connection.
Converted tab to spaces for proper indentation.
Added connection helper class to manage connection strings, SQL connections and entity connections.
Added commented logic for future reference.
Added test methods for db transactions.
Added Dispose() method for connection helper class.
Updated transaction test method.
Added data annotations on each property.
Fixed test method parameters.
Updated .gitignore.
Added type configuration for fluent API.
Removed data annotations.