v0.5-alpha

Support for BuyerOrderReferencedDocument #15

v0.4-alpha

#14 Update dependencies.

v0.3-alpha

• #8
• #9

v0.2-alpha

• add php 7.4 support
• add #7
• update php requirements to 7.2
• update phpunit to 8
• update jms/serializer to 3.4
• use travis

v0.1.1-alpha: Merge pull request #6 from easybill/billing-period

added BillingSpecifiedPeriod to model

v0.1-alpha

Use jms/serializer ^1.7 and clean up code.