Tagged release v3.18.0 250fe44 fix(test): change load test issue: prozorro-sale/document-service#50 cb635e5 feat(api): add get document to databridge ad84e8c feat(log): change log exception b155e6e feat(api): add delete endpoint to databridge issue: prozorro-sale/document-service#49 ac6934a feat(test): transferred tests to pytest and added missing tests 2b3d004 feat(core): reformat and rearrange code