support mongodb storage

[PythonFZ]

• make redis and mongo optional via pip install znsocket[redis, mongo]
• update all tests also against the mongodb
• update documentation

[coveralls]

Pull Request Test Coverage Report for Build 16351392860

Details

• 321 of 504 (63.69%) changed or added relevant lines in 5 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+2.7%) to 67.623%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
znsocket/server.py	2	8	25.0%
znsocket/storages/mongodb.py	182	236	77.12%
znsocket/storages/native.py	74	197	37.56%

Files with Coverage Reduction	New Missed Lines	%
znsocket/client.py	1	65.57%

Totals
Change from base Build 16296431223:	2.7%
Covered Lines:	1249
Relevant Lines:	1847

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 16341706153

Details

• 317 of 494 (64.17%) changed or added relevant lines in 5 files are covered.
• 2 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+2.9%) to 67.882%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
znsocket/server.py	2	8	25.0%
znsocket/storages/mongodb.py	178	226	78.76%
znsocket/storages/native.py	74	197	37.56%

Files with Coverage Reduction	New Missed Lines	%
znsocket/client.py	1	65.57%
znsocket/objects/list_obj.py	1	83.4%

Totals
Change from base Build 16296431223:	2.9%
Covered Lines:	1247
Relevant Lines:	1837

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 16341706153

Details

• 317 of 494 (64.17%) changed or added relevant lines in 5 files are covered.
• 2 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+2.9%) to 67.882%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
znsocket/server.py	2	8	25.0%
znsocket/storages/mongodb.py	178	226	78.76%
znsocket/storages/native.py	74	197	37.56%

Files with Coverage Reduction	New Missed Lines	%
znsocket/client.py	1	65.57%
znsocket/objects/list_obj.py	1	83.4%

Totals
Change from base Build 16296431223:	2.9%
Covered Lines:	1247
Relevant Lines:	1837

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 16341706153

Details

• 317 of 494 (64.17%) changed or added relevant lines in 5 files are covered.
• 2 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+2.9%) to 67.882%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
znsocket/server.py	2	8	25.0%
znsocket/storages/mongodb.py	178	226	78.76%
znsocket/storages/native.py	74	197	37.56%

Files with Coverage Reduction	New Missed Lines	%
znsocket/client.py	1	65.57%
znsocket/objects/list_obj.py	1	83.4%

Totals
Change from base Build 16296431223:	2.9%
Covered Lines:	1247
Relevant Lines:	1837

---

💛 - Coveralls