Add operation coalescing to the pipeline
Add operation coalescing to the pipeline

Set up some test infrastructure too so that we can test how items get
combined without actually creating a database

mms-/Akavache,christer155/Akavache,MarcMagnin/Akavache,akavache/Akavache,Loke155/Akavache,shana/Akavache,martijn00/Akavache,bbqchickenrobot/Akavache,jcomtois/Akavache,gimsum/Akavache,PureWeen/Akavache,kmjonmastro/Akavache,MathieuDSTP/MyAkavache,shana/Akavache,ghuntley/AkavacheSandpit