Add support for AAD auth, enabled by default (#19)

* Base work for aad auth

* Add read only tests

* Add AadToken tests

* Typo

Fix auth tokens expiring for long running commands (#18)

Fix partition key ranges not using continuations, and some pipeline c…

…leanup

Add readonly key support (#17)

* Add readonly key support

* Update get content test

* Fork the pester tester

Prepare 1.15 release (#16)

Merge pull request #13 from cmbrose/dev/bcaleb/record-id-encoding

Correctly handle url encoding ids

Merge pull request #12 from cmbrose/pk-range-errors

Fix PK range cache value

Merge pull request #11 from cmbrose/pk-range-errors

Pass ErrorRecord properly for PK ranges too

Merge pull request #10 from cmbrose/http-errors

Unify Invoke-WebRequest errors for PS 5 and 7

Merge pull request #9 from cmbrose/id-casing-fix

Don't lowercase resourceIds