database-4.0

Features and bug fixes

• Basic support for Google BigQuery queries (read-only). DDL/DML operations may or may not work. See #41 for details.
• Removed Sql.finalSql to make debugging easier (#50).
• Updated HikariCP from version 2.7.1 to 4.0.3.
• Updated slf4j-api from version 1.7.25 to 1.7.32.
• Fixed some bugs based on SonarCloud analysis (#64).

Quality improvements

• Updated lots of internally used Maven plugins and dependencies (including Vert.x 4).
• Travis now runs tests with Java 8 and 11 and with multiple versions of PostgreSQL, SQL Server, and Oracle.
• Use the now public Oracle JDBC drivers.
• Incorporated SonarCloud into the Travis build.
• Fix tests so SonarCloud code coverage works.