2.5.2: Merge pull request #127 from nickyr/patch-3

Fix return types on card date functions

2.5.1

• Allow Symfony HttpFoundation 3.x
• Add new MasterCard "2" series BIN range support
• Improve test coverage

2.5.0

Incorporating outstanding PRs. This includes changed functionality about the use and detection of card brands.

2.4.1

Incorporated outstanding PRs, mostly minor/cosmetic/docblock changes.

2.4.0

Adds notification interfaces

v2.3.4

Fix composer issue

v2.3.3

Added better documentation

2.3.2

Update composer to include all third party gateways, as well as those supported by the package directly.

v2.3.1

Move to The PHP League

v2.3.0

• Add Coinbase gateway
• Add BTC currency code