New upstream version 6.0.0

.github/workflows/build.yml

CHANGELOG.md

README.md

pom.xml

pom.xml.releaseBackup

release.properties

...java/org/rcsb/cif/schema/core/AtomAnalyticalMassLoss.java

...ain/java/org/rcsb/cif/schema/core/AtomScatVersusStol.java

src/main/java/org/rcsb/cif/schema/core/AtomSite.java

src/main/java/org/rcsb/cif/schema/core/AtomSiteAniso.java

...main/java/org/rcsb/cif/schema/core/AtomSiteAnisotrop.java

src/main/java/org/rcsb/cif/schema/core/AtomSites.java

src/main/java/org/rcsb/cif/schema/core/AtomType.java

src/main/java/org/rcsb/cif/schema/core/AtomTypeScat.java

src/main/java/org/rcsb/cif/schema/core/Audit.java

src/main/java/org/rcsb/cif/schema/core/AuditAuthor.java

src/main/java/org/rcsb/cif/schema/core/AuditAuthorRole.java

...ain/java/org/rcsb/cif/schema/core/AuditContactAuthor.java

src/main/java/org/rcsb/cif/schema/core/AuditSupport.java

src/main/java/org/rcsb/cif/schema/core/Cell.java