Re-factor inverse commands
Re-factor inverse commands

Implement overridable tx.inverseOperations hash object, allowing users
to globally override specific types of inverse operations.

JackAdams/meteor-transactions,rclai/meteor-transactions,Data-Meister/meteor-transactions,JackAdams/meteor-transactions-old,rclai/meteor-transactions,rjsmith/meteor-transactions,rjsmith/meteor-transactions,JackAdams/meteor-transactions,JackAdams/meteor-transactions-old,Data-Meister/meteor-transactions