fix: pipeline.engine: fixes and manual futurizations
fix: pipeline.engine: fixes and manual futurizations

FCP-INDI/nipype,sgiavasis/nipype,carolFrohlich/nipype,iglpdc/nipype,mick-d/nipype,FCP-INDI/nipype,mick-d/nipype,sgiavasis/nipype,FCP-INDI/nipype,dgellis90/nipype,dgellis90/nipype,carolFrohlich/nipype,mick-d/nipype,pearsonlab/nipype,pearsonlab/nipype,carolFrohlich/nipype,iglpdc/nipype,pearsonlab/nipype,iglpdc/nipype,iglpdc/nipype,sgiavasis/nipype,mick-d/nipype,FCP-INDI/nipype,dgellis90/nipype,sgiavasis/nipype,carolFrohlich/nipype,dgellis90/nipype,pearsonlab/nipype