Dropping the use of the ternary operator in favour of a more backward compatible approach to formatting booleans for MailGun
Adding listCampaigns() method
Tweaks to test names
#28 Ability to retrieve a specific campaign
#29 Ability to create a new campaign for a domain
#30 Ability to update the details of a campaign
#30 Actually send the variables for the updateCampaign message as URL parameters rather than post vars
#31 Ability to delete a capaign
Merge branch 'develop'