pk skip scan
start writing skip scan tests
more skip scan tests, fix bugs
wip
mostly working
test cleanup
remove bonehead class
reduce repeated computation in filterRowKey.  update gold file for explain plans.
merge
fix import borken by merge
pk skip scan
Merge remote-tracking branch 'ryang-sfdc/skip-scan' into skip-scan
Merge pull request #89 from ryang-sfdc/skip-scan

pk skip scan to optimize IN queries
Change Objects.deepEquals to Objects.equals and fix warnings