Add filtering and excluding by mutliple types and countries in raise generation script.

[neprune]

Allows selecting multiple countries / types e.g. --type "ABC" --type "DEF" --country "E" -- country "W".

Also allows flipping to exclude by type or country via --type-mode "all-but" --country-mode "all-but".

[codecov[bot]]

Codecov Report

Merging #399 (e2792cf) into master (8cac638) will increase coverage by 0.38%. The diff coverage is 100.00%.

:exclamation: Current head e2792cf differs from pull request most recent head a784963. Consider uploading reports for the commit a784963 to get more accurate results

@@            Coverage Diff             @@
##           master     #399      +/-   ##
==========================================
+ Coverage   72.04%   72.43%   +0.38%     
==========================================
  Files          40       40              
  Lines        2347     2380      +33     
==========================================
+ Hits         1691     1724      +33     
  Misses        656      656              

Impacted Files	Coverage Δ
...ommands/mapit_generation_raise_on_current_areas.py	88.00% <100.00%> (+3.38%)	:arrow_up:
mapit/tests/test_generation_commands.py	100.00% <100.00%> (ø)

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[dracos]

(PS Tiny typo in commit message before merging)