timezone of db implemented. Bufixes

Closing all results sets before running a new operation

CI moved to github actions & improved test coverage

Stuffing ' in queries values

changed a path on the Readme.md file

[bugfix] In example

Package name RSQL. Compliant with CRAN corrections

Just to submit 0.1.0 to CRAN

Merge remote-tracking branch 'origin/dev-leobelen'