Replace index step hash with actual objects
Remove unnecessary check for to_field_ness
Add explanation of accumulator being [] for each_record
Merge branch 'master' into index_step_classes
Move logging out of indexsteps, back to Indexer
Indexer: change name of Step classes to have Step in them
index steps have #inspect, not #context_for_logging
Indexer, steps, change name from #call_procs to #execute
Indexer, step argument checking done inside step objects
Indexer, two step classes don't need to inherit, just seperate, duck typed
Indexer, remove no longer used last_named_step
Indexer, remove no longer used to_field? each_record? query methods
Merge pull request #31 from jrochkind/index_step_classes

Use real classes for index steps (to_field and each_record)