2.0.7

[new] support SQLExceptionTranslator for exposed transaction
[new] KspTablePojoSuper annotation support generate interface or super class for pojo.
[new] add extension methods: andWhereIf, orWhereIf for build fluent query expression.
[improve] Change where expression parameters return Query to prevent andWhere/orWhere being missed in code.
[upgrade] Upgrade exposed to 0.55.0
[break change] upsert parameter changed, for exposed 0.55.0