Wrote remaining Member unit tests (for first_name last_name company_name and phone_number), added missing validations on those fields in Member.rb.
Corrected phone_number unit test to allow for blank values, updated helper method member_signs_up to provide a company name, corrected validation for phone_number to allow blanks on both update and create actions.
Added phone number to the member factory and sign up helper method.
Updated test coverage stats from coveralls.
Ran test suite, updated coveralls stats.