Merge fixes

Author: jeffgbutler

src/main/kotlin/org/mybatis/dynamic/sql/util/kotlin/JoinCollector.kt

@@ -16,6 +16,7 @@
 package org.mybatis.dynamic.sql.util.kotlin
 
 import org.mybatis.dynamic.sql.BasicColumn
+import org.mybatis.dynamic.sql.SqlBuilder
 import org.mybatis.dynamic.sql.select.join.JoinCondition
 import org.mybatis.dynamic.sql.select.join.JoinCriterion