v4.0.3

Changed

• OldCatalogApi is now renamed to CatalogItemsV0Api, to make it Amazon's naming scheme more closely. OldCatalogApi is deprecated. (#106)
• The CA_MBF and NO_VOEC deemed reseller categories are now supported by the Orders API (#111, thanks @abbadon1334)

Fixed

• Avoid request signature time expiring while fetching an RDT or STS token (#109, thanks @valigara)
• Make grantless operations work without passing a refresh token when using a role ARN in Configuration (#110)