Add support for Map to rust API

[benjaminwinger]

For #2174

I also re-enabled some database tests which are now supported.

Passing var lists, fixed lists and maps as query parameters is producing either memory errors, or out of control memory leaks, is that expected?

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (2a19754) 89.62% compared to head (5f2615b) 90.11%.
Report is 23 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2176      +/-   ##
==========================================
+ Coverage   89.62%   90.11%   +0.49%     
==========================================
  Files         989      990       +1     
  Lines       35740    35481     -259     
==========================================
- Hits        32031    31974      -57     
+ Misses       3709     3507     -202     

Files	Coverage Δ
src/common/types/types.cpp	92.29% <100.00%> (+0.24%)	⬆️
src/include/common/types/types.h	100.00% <ø> (ø)

... and 82 files with indirect coverage changes

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