Updated Sample Home Page
Fixing Invoice Phone Attribute

- Also updated the Update Invoice Sample
Fixed a bug in README.md file

- Fixed #166
Updated Billing Plan to have Delete Plan sample code.

- Added helper method in Plan.php to allow deleting a billing plan
- Fixes #171
More Vault API Samples

- Updated Samples for Vault APIs
- Updated Payment Execute to be more verbose
- Delete Plan Sample Update
- Fixes #168
Enabled Caching of Access Tokens

- Updated AuthTokenCredential to store access token in file storage
- Updated samples to include the configuration to disable/enable caching
remove broken badges
Updated Create Plan sample with more explanations
Auto-generated code for Webhooks API
Returns False on Validation for Access Modifier on generic PPModel object

- Fixes #171 Issue
Updated FormatConverter to Format Price based on Currency (if provided)

- Fixes #176 Issue
- Renamed formatToTwoDecimalPlaces to formatToNumber
Use class attribute than hard coded string

- Improved #171 fix
Reverting class attribute usage to make it work with PHP 5.3

- Updated #171 to make it work with PHP 5.3 or lower
Made the docblock Transactions to use Transaction[]

- Fixes #183
Updated Sample index.php to proper format on htmlpreview
Functional Tests Improvements and Refactoring

- Updated Functional Tests to refactor common code in one file
- Re-sets the credentials to make sure previous tests doesnt change it for testing
More Webhook API Changes

- Updated API Models with Fixes
- Updated Samples
- Additional Functional Tests
Final Webhook Management API Changes

- Updated Samples
- Additional Functional Tests
- Enabled Travis to do functional tests (with allowed failures) on each build
Merge branch 'master' into stable