nothing really done
add lua submodule
testing lua. initial steps
test function that finds 4 number via lua. it works!
dirty implementation. able to find data by predicate now

TODO: use lua API C++ wrapper.
dirty implementation 2. #8
move writeToFile changes into separate branch. i'll introduce incompatibility later
skse: add is_fake method to test whether skse api is fake or not. add one more 'lua-apply' test
Merge 'feature/collection_operators_lua' into develop. Feature disabled