Alternate approach to wiring up the counters
Fix typo
Move the keepAlive to the job class.

Remove the logger statements if flowProcess isn't defined. The sys.error in place means these statements will never be hit with a null.
First sketch at a sketch join
implicit evidence must come first
make some things private, avoid divide by zero in Sketched
Random needs seed
add some comments about maxReplicas math
Review comments
Move the UniqueID case class out of the Job class to avoid serializations of it grabbing a reference to its parent
Move the job conf variable name to be a constant in the Job object
Make the stats holders not need to be object globals
Resolve merge conflict
address PR comments
BDD DSL to test pipe transformations (adapted from https://github.com/galarragas/ScaldingUnit)
start of a test for sketch joins
also test sketch left join
flesh out sketch join tests; still don't work in local mode
narrowed the problem with running local to TypedSelfLeftCrossTest
switch Sketched to use cross instead of leftCross to avoid bug