pipeUnboot: Rename "boot" Column
Description
pipeUnboot renames the "boot" column of an ExprsPipeline object
 to "unboot".
Usage
pipeUnboot(object)# S4 method for ExprsPipeline
pipeUnboot(object)
Details
This method provides a convenient adjunct to pipeFilter owing to
 how exprso handles ExprsPipeline objects with a "boot" column.