cms-sw/cmssw — pull request #3146 by makortel (2014-04-01 19:07:35+00:00)
Title: Fix refToPSet_ within VPSet

Fix (and add test for) ```refToPSet_``` expansion inside VPSet, e.g. in the following situation
```
process.a = cms.PSet(...)
process.b = cms.PSet(...)
process.c = cms.VPSet(
cms.PSet(refToPSet_ = cms.string("a")),
cms.PSet(refToPSet_ = cms.string("b"))
)
```