Setting version to 0.6.0
Setting version to 0.7.0-SNAPSHOT
Revert "Setting version to 0.7.0-SNAPSHOT"

This reverts commit 4c6be5885890aeef3cc32982a7c76eb546dc56c0.
Revert "Setting version to 0.6.0"

This reverts commit de0aa329134c230110f6ee3892ef260dbfc2587f.
add project url
Setting version to 0.6.0
Setting version to 0.7.0-SNAPSHOT