[#3842] Add DSL.field(Name), DSL.table(Name), DSL.schema(Name),
DSL.sequence(Name) methods
[#3843] Deprecate DSL.fieldByName(), DSL.tableByName(),
DSL.schemaByName(), DSL.sequenceByName()
[#3844] Add a new SQLDialect.DEFAULT instead of SQL99
[#3845] NullPointerException in code generator when there is an empty
<inputSchema/> element in Oracle