added generate-flow, refactored test
added load-clj
set up test for cogroup
added scripts to pg for reference
adding support for cogroup - work in progress
back to using pipes directly
shaping up cogroup
process field projections together
handle fields and aliases
fixed field assignment in cogroup
hack around serialization using Pig classes
removed unbaked
collapse field projections into the preceding step
used field projections in PigPenFunction
getting close to a working cogroup
got cogroup example to work
cleanup