[WIP] Change behavior of returning records in Query#execute() callback
add response target for AllRecords to fire event after all records are fetched
change query execution to use promise, removing async
change response target Records will fire all records as response data, not first query fetched records
Merge pull request #37 from jsforce/autofetch-query-return-option

Change behavior of returning records in Query#execute() callback
[WIP] Fix bulk update when updating field value to null [skip ci]
add nullValue option in converting record to CSV, and set it as "#N/A" in bulk record loading
add null value updating test in bulk.test.js
Merge pull request #81 from jsforce/bulk-update-to-null

Fix bulk update when updating field value to null
Merge branch 'master' into support-bulk-query

Conflicts:
	lib/record-stream.js
fix removed stream argument