enh: work on osw.core.OSW.query_instance and .load_entity

[LukasGold]

osw.core.OSW.query_instance:

• moved functionality into the params object
• prepared for querying instances that are not an instance of a category

osw.core.OSW.load_entity

• added argument to disable cache
• fixed restoring of the previous cache state

osw.core.OSW.delete_entity:

• removed a case that was already covered in the init of the params object

[coveralls]

Pull Request Test Coverage Report for Build 9805423327

Details

• 23 of 48 (47.92%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.1%) to 40.767%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/osw/core.py	23	48	47.92%
<!--	Total:	23	48	47.92%	-->

Files with Coverage Reduction	New Missed Lines	%
src/osw/core.py	1	57.78%
<!--	Total:	1		-->

Totals
Change from base Build 9762765309:	-0.1%
Covered Lines:	2049
Relevant Lines:	3936

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9807909233

Details

• 26 of 51 (50.98%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.1%) to 40.782%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/osw/core.py	26	51	50.98%
<!--	Total:	26	51	50.98%	-->

Files with Coverage Reduction	New Missed Lines	%
src/osw/core.py	1	57.87%
<!--	Total:	1		-->

Totals
Change from base Build 9762765309:	-0.1%
Covered Lines:	2051
Relevant Lines:	3938

---

💛 - Coveralls