Fcm-django

What's Changed
* add test configuration with an example(204) by henriklindgren in https://github.com/xtrinch/fcm-django/pull/240
* Separate dev and test requirements by olzhasar in https://github.com/xtrinch/fcm-django/pull/243
* depend on actual requirements of application in tests by henriklindgren in https://github.com/xtrinch/fcm-django/pull/244
* Raising the Firebase error instead of returning by mohitCodepy in https://github.com/xtrinch/fcm-django/pull/241
* Add tests for AbstractFCMDevice.send_message by olzhasar in https://github.com/xtrinch/fcm-django/pull/245
* fix rollback migration by Akay7 in https://github.com/xtrinch/fcm-django/pull/246
* Add tests by Akay7 in https://github.com/xtrinch/fcm-django/pull/247

New Contributors
* mohitCodepy made their first contribution in https://github.com/xtrinch/fcm-django/pull/241

**Full Changelog**: https://github.com/xtrinch/fcm-django/compare/2.0.0...2.0.1

What's Changed

* support firebase-admin 6
* drop python 3.6 support, for python 3.6, use versions lower than 2.0
* update requirements by Akay7 in https://github.com/xtrinch/fcm-django/pull/237

New Contributors
* Akay7 made their first contribution in https://github.com/xtrinch/fcm-django/pull/237

**Full Changelog**: https://github.com/xtrinch/fcm-django/compare/1.0.15...2.0.0

What's Changed
* Let MySQL pass migrations with unsupported text indexes(236) by henriklindgren in https://github.com/xtrinch/fcm-django/pull/238

New Contributors
* henriklindgren made their first contribution in https://github.com/xtrinch/fcm-django/pull/238

**Full Changelog**: https://github.com/xtrinch/fcm-django/compare/1.0.14...1.0.15

- Remove UPDATE_ON_DUPLICATE_REG_ID parameter (it now behaves as if it is set to True all the time)

**Full Changelog**: https://github.com/xtrinch/fcm-django/compare/1.0.13...1.0.14

What's Changed
* filter by user and device type by aliharby12 in https://github.com/xtrinch/fcm-django/pull/221
* Some small improvements by UnknownPlatypus in https://github.com/xtrinch/fcm-django/pull/222
* Registration ID should be unique. by keithhackbarth in https://github.com/xtrinch/fcm-django/pull/228
* use bash for install instructs by ItIsEntropy in https://github.com/xtrinch/fcm-django/pull/230
* fixining typo in index.rst by khaled5321 in https://github.com/xtrinch/fcm-django/pull/231
* Add composite index to fcmdevice table by keeth in https://github.com/xtrinch/fcm-django/pull/232

New Contributors
* aliharby12 made their first contribution in https://github.com/xtrinch/fcm-django/pull/221
* UnknownPlatypus made their first contribution in https://github.com/xtrinch/fcm-django/pull/222
* keithhackbarth made their first contribution in https://github.com/xtrinch/fcm-django/pull/228
* ItIsEntropy made their first contribution in https://github.com/xtrinch/fcm-django/pull/230
* khaled5321 made their first contribution in https://github.com/xtrinch/fcm-django/pull/231
* keeth made their first contribution in https://github.com/xtrinch/fcm-django/pull/232

**Full Changelog**: https://github.com/xtrinch/fcm-django/compare/1.0.12...1.0.13

- Add DEFAULT_FIREBASE_APP setting