DOC: mssql is supported

feat: upgrade a bunch of godependencies (gocraft#205)

BUGFIX: don't auto add parentheses for union (gocraft#192)

BUGFIX: add go module v2 path (gocraft#189)

Upgrade circle test and use gomodule (gocraft#185)

Check rows.Err() on Load (gocraft#183)

Fix examples of receiving autoincrementing IDs (gocraft#178)

Fix ability to pass TracingEventReceiver to dbr (gocraft#154)

* add failing tests that exercise TracingEventReceiver

* pass EventReceiver explicitly between types rather than embedded parent struct

* Code review comments for gocraft#154

* address code review comments for gocraft#154

HOUSEKEEPING: add stale bot

TEST: upgrade to circleci 2.0 (gocraft#126)