Add test for creating a stream before a query is queued
query.stream()._read without connection is a no-op

Fixes errors when `.stream()` is called on a query without a
connection (e.g. a query created using `createQuery`).
domains support
domains line in changelog
remove debug
test domain in 'statistics' call
Merge pull request #689 from grncdr/patch-3

query.stream()._read without connection is a no-op
Dont release Zalgo

When calling pool.end(cb) cb is sometimes called synchronously and other times asynchronously.
Add trace flag for configuring long stack traces
Merge pull request #711 from christiaan/patch-1

pool.end(cb) sometimes calles cb direcly other times sometime later
domains for changeUser
add test for pool+domains
domains support in pool
check if cb defined befire binding to domain
bind domain only for async flow
Merge pull request #709 from felixge/domains

Domains support
Merge pull request #713 from dougwilson/feature/config-trace

Add trace flag for configuring long stack traces
2.0.1 changes
2.0.1
typo: TINY_BLOG -> TINY_BLOB