History, PaymentServices & Projects

Accounting API

• enhancement: add ability to create History on all supported endpoints -- #279 from @NickLewry
• enhancement: add /paymentservices endpoint -- #278 from @corymsmith
• fix: add missing ItemCode to LineItem model -- #273 from @thomasraydeniscool
• fix: update /contacts args -- #276 from @thomasraydeniscool

Projects API

• enhancement: add some of the projects API -- #221 from @jamespwilson @clarkie

Internal improvements

• enhancement: upgrade to jest 24
• fix: make partner tests more reliable

Thanks to everyone who has contributed to this release! 🎉