Simple test case for rebelidealist/stripe-ruby-mock#20
Setting up files
Updating test case
Keeping it DRY
Formatting
Travis CI
Adding rake to gemfile
Changing the status image url
Updating card exp_month, and exp_year to always return integers.
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Changing the status image url
  Adding rake to gemfile
  Travis CI

Conflicts:
	.travis.yml
Test case for supporting the deletion of customers.

See rebelidealist/stripe-ruby-mock#23
closes #23
Merge remote-tracking branch 'origin/bug/20-customer-create'

* origin/bug/20-customer-create:
  Updating card exp_month, and exp_year to always return integers.
  Formatting
  Keeping it DRY
  Updating test case
  Setting up files
  Simple test case for rebelidealist/stripe-ruby-mock#20
Merge branch 'customer.delete'

* customer.delete:
  closes #23
  Test case for supporting the deletion of customers.