v0.5.0

• Add tests for Mailchimp API a8ad931
• Add Jest watch command 89974c6
• Run tests on git push 530c9f4
• Add missing test for regular type cad2f5e
• More Mailchimp tests c7b4be8
• Don't update campaign if already sent + tests dd80c2f

v0.4.0...v0.5.0