Filip

- added `override_metadata` argument according to new metadata update semantics in orion (https://fiware-orion.readthedocs.io/en/master/user/metadata.html#updating-metadata) ([157](https://github.com/RWTH-EBC/FiLiP/issues/157))
- fixed test for patch_entity ([157](https://github.com/RWTH-EBC/FiLiP/issues/157))
- added flag to ntoify only changed attributes ([154](https://github.com/RWTH-EBC/FiLiP/issues/154))
- fixed issue of client generation when multiple clients are required ([151](https://github.com/RWTH-EBC/FiLiP/issues/151))
- fixed throttling=0 is not working when posting a subscription ([148](https://github.com/RWTH-EBC/FiLiP/issues/148))
- added filter functions for better subscription handling ([141](https://github.com/RWTH-EBC/FiLiP/issues/141))
- added filter functions for better device handling ([143](https://github.com/RWTH-EBC/FiLiP/issues/143))
- fixed coupled delete of devices and entities ([143](https://github.com/RWTH-EBC/FiLiP/issues/143))
- Add images to tutorials ([139](https://github.com/RWTH-EBC/FiLiP/issues/139))

- Updated requirements for tutorials ([132](https://github.com/RWTH-EBC/FiLiP/issues/132))
- fixed quantumleap timeseries header ([133](https://github.com/RWTH-EBC/FiLiP/issues/133))
- fixed broken imports for tutorials ([134](https://github.com/RWTH-EBC/FiLiP/issues/134))

- Updated documentation ([128](https://github.com/RWTH-EBC/FiLiP/issues/128))
- Improve tutorials ([127](https://github.com/RWTH-EBC/FiLiP/issues/127))

- Refactored units model ([107](https://github.com/RWTH-EBC/FiLiP/issues/107))
- Updated and moved data model generator ([117](https://github.com/RWTH-EBC/FiLiP/issues/117))
- quantumleap subscription missing ql_url ([108](https://github.com/RWTH-EBC/FiLiP/issues/108))
- Fixed lazy attributes in IoTA Device model ([105](https://github.com/RWTH-EBC/FiLiP/issues/105))
- Added get_commands to ContextEntity model ([87](https://github.com/RWTH-EBC/FiLiP/issues/87))
- Added missing attribute requets for context broker ([113](https://github.com/RWTH-EBC/FiLiP/issues/113))
- Fixed broken attribute mapping in IoTAMQTTClient ([122](https://github.com/RWTH-EBC/FiLiP/issues/122))
- Added tutorials ([111](https://github.com/RWTH-EBC/FiLiP/issues/111))
- Updated documentation ([151](https://github.com/RWTH-EBC/FiLiP/issues/51))

- QuantumLeap request pagination ([47](https://github.com/RWTH-EBC/FiLiP/issues/47))
- introduce mqtt client ([45](https://github.com/RWTH-EBC/FiLiP/issues/45))
- introduce concurrent testing and clean up utils([41](https://github.com/RWTH-EBC/FiLiP/issues/41))
- include default values in subscription update ([39](https://github.com/RWTH-EBC/FiLiP/issues/39))
- move back to more simple docs design ([32](https://github.com/RWTH-EBC/FiLiP/issues/32))
- added MQTT notifications ([24](https://github.com/RWTH-EBC/FiLiP/issues/24))
- introduced [CHANGELOG.md](https://github.com/RWTH-EBC/FiLiP/blob/development/CHANGELOG.md) with versions
- semantic model features [30](https://github.com/RWTH-EBC/FiLiP/issues/30)
- remodeled ngsi-v2 models ([58,59,60](https://github.com/RWTH-EBC/FiLiP/issues/60))
- improved ContextEntity and Device deleting methods ([27](https://github.com/RWTH-EBC/FiLiP/issues/28))
- patch methods for ContextEntity and Device ([74](https://github.com/RWTH-EBC/FiLiP/issues/74))
- refactored and improved Examples ([90](https://github.com/RWTH-EBC/FiLiP/issues/90))

- introduced automatic testing
([18](https://github.com/RWTH-EBC/FiLiP/issues/18))