Mark a new release.

Author: pdvrieze

gradle.properties

@@ -10,5 +10,5 @@ spekVersion=1.1.5
 argJvmDefault=-Xjvm-default=enable
 androidTarget=28
 bintrayVersion=1.8.4
-xmlutil_version=0.6.1-SNAPSHOT
-xmlutil_versiondesc=Initial released version to allow others to use kotlinx.serialization to/from xml
+xmlutil_version=0.7.0
+xmlutil_versiondesc=Updated version. Better API. New internal working based upon the KEEP structures. More consistency in tag names.