update 13.1.0 (#82)

update 13.0.0 (#81)

update to version 12.0.0 (#74)

update to 11.0.0

update maven version

add cardIdentifier to defintion of LoyaltyCardIdentifier (#50)

* add cardIdentifier to defintion of LoyaltyCardIdentifier

* version 9.1.0, add cardIdentifier to generate loyalty card

* new files

* revert ex in readme

* bring back checksum-maven-plugin in pom

Generating checksum for pom (#49)

* add checksum for pom

* add checksum for pom

Checksums for JAVA SDK (#48)

* checksum

* remove unnecessary

Quarterly sdk update (#47)

Update SDK (#44)