specified ruby version and gemset
setting up database configuration
created model zipcode
deleted test folder
added new gems for testing purposes
installed rspec gem
created factory for zipcode model
running migration of the zipcodes
configured database cleaner
added test for zipcode model
making pass the tests
created migration for coordinate model
added tests for coordinate model
added failing tests
passing tests
added spec for dependent destroy at zipcode model
update gitignore for ignore ruby-gemset and ruby-version
removed extra spaces in Gemfile and the application file
change string fields to decimal fields
fixed specs