v0.6.5

• Expose ad_activities for an ad_set (#32, @amosharrafa )

v0.1.12

• Added complete set of ad campaign objectives. (#9, @cte)
• Switched to rspec from minitest. (#8, @cte)
• Formatting tweaks in exception error messages (#7, @dekaikiwi)
• Added a reach_estimate method for ad accounts (ae35878, @cte)