Add mcrypt extension dependency
Added document that covers testing
Merge pull request #28 from symm/master

Add mcrypt extension dependency
Merge pull request #29 from JoshuaEstes/docs/testing

Added document that covers testing
Added travis and rtd badges
Merge pull request #30 from JoshuaEstes/updatedReadmeWithBadges

Added travis and rtd badges
Updated readme file with packagist badges
Removed reference to distribution information
Merge pull request #31 from JoshuaEstes/UpdatedReadmeWithBadges

Updated readme file with packagist badges
Merge pull request #32 from JoshuaEstes/RemoveDistributionInfo

Removed reference to distribution information
Added short document that explains how to build documentation
Merge pull request #33 from JoshuaEstes/BuildingDocumentation

Added short document that explains how to build documentation
Updated some code and added documentation
A few small code updates, updated so that everything conforms to PSR1 and PSR2 standards, moved some of the crytpo classes into a crypto directory, add function to return invoice information
Merge pull request #36 from JoshuaEstes/documentation/IPN

Updated some code and added documentation
Small bug fix for libraries that use this
Small bug fix with undefined variable
Small bug fix with undefined variable
Merge pull request #37 from JoshuaEstes/CodeUpdatesAndCodeQualityUpdates

A few small code updates, updated so that everything conforms to PSR1 an...
Updated so that when creating a token, it will return a token object