Add option to pass driver instead of database_url

[mariusconjeaud]

Work in progress.

config.py accepts a neo4j driver instead of a DATABASE_URL variable.

Adds close_connection method to db.

Adds a DATABASE_NAME config option, available for both URL and driver init methods

Fixes tests.

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (970dae6) 88.74% compared to head (b679c52) 86.34%.

❗ Current head b679c52 differs from pull request most recent head 4b7335f. Consider uploading reports for the commit 4b7335f to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##           rc/5.2.0     #744      +/-   ##
============================================
- Coverage     88.74%   86.34%   -2.40%     
============================================
  Files            22       19       -3     
  Lines          2629     2416     -213     
============================================
- Hits           2333     2086     -247     
- Misses          296      330      +34     

Files	Coverage Δ
neomodel/_version.py	100.00% <100.00%> (ø)
neomodel/config.py	100.00% <ø> (ø)
neomodel/util.py	91.55% <96.66%> (+0.26%)	⬆️
neomodel/scripts/neomodel_install_labels.py	0.00% <0.00%> (-85.72%)	⬇️
neomodel/scripts/neomodel_remove_labels.py	0.00% <0.00%> (-88.89%)	⬇️

... and 6 files with indirect coverage changes

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication