Release notes

• Liquibase 3.9.0 Released
• Liquibase 4.0 Beta 1 Released
• Liquibase 3.8.9 Released
• Liquibase 3.8.8 Released, Provides Minor Bug Fixes
• Liquibase 3.8.7 Released
• Liquibase 3.8.6 Released
• Liquibase 3.8.5 Released
• Liquibase 3.8.4 Released
• Liquibase 3.8.3 Released
• Liquibase 3.8.2 Released
• Liquibase 3.8.1 Released
• Liquibase 3.8.0 Released