add methods: docs_bulk_create, docs_bulk_index, and docs_bulk_delete to go along with docs_bulk_update
change docs_bulk to support all four actions: index, create, update, delete
change docs_bulk_prep to also support the four actions
new helper functions in support of the above
bump version

#232 #87 more work on refining connection handler and moving fxns and egs to use connection object
  not done yete

cleaned up tests and converted vignettes and readme to use new setup

…etup

…v7 and greater

Elasticsearch class gets warn parameter for user to toggle warning throwing
added validate test file
added warning capture so far to: count, validate, Search  - more to do

…as want users to use ping method on the object

fix field caps to only do GET requests

…ery API

tweeked  internal method es_POST that is also used by cluster fxns, those tests pass with changes

pass connection object to geterror() now throughout pkg

quote> add new function pipline_attachment for attaching data to a document
update egs for using attachment pipeline functionality

… float

… files

… query

…n docs_bulk man file