Table lock compatibility

[PrimozGodec]

Issue

Orange implemented table locking

Description of changes

Fix all places where it is done wrong way and unlock where necessary

Includes

• [X] Code changes
• [X] Tests
• [ ] Documentation

[codecov[bot]]

Codecov Report

Merging #204 (25f90b7) into master (5fea616) will increase coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #204      +/-   ##
==========================================
+ Coverage   67.75%   67.76%   +0.01%     
==========================================
  Files          15       15              
  Lines        2810     2811       +1     
  Branches      402      439      +37     
==========================================
+ Hits         1904     1905       +1     
  Misses        790      790              
  Partials      116      116