[#17] Prevent rebuild loop

Updated to latest libraries
Cleanup

.gitignore

@@ -1,52 +1,3 @@
 /target/
 *.sublime*
-tests/e2e_test/test_book/book/
-tests/e2e_test/test_server/book/img/
-
-tests/e2e_test/test_server/book/
-
 *.log
-
-tests/e2e_test/book/
-
-tests/e2e_test/server_book/
-
-tests/e2e_test/shell_book/
-
-tests/e2e_test/book.toml
-
-tests/e2e_test/config.json
-
-tests/e2e_test/src/mdbook-plantuml-img/
-
-tests/e2e_test/.plantuml-cache/
-
-tests/e2e_test/alt_book/
-
-tests/e2e_test/cache_book/
-
-tests/regression_test/__pycache__/
-
-tests/regression_test/regenerate_book_json/book/
-
-tests/venv/
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-tests/regression_test/test_output/
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-tests/e2e_test/cache_book_1st/
-
-tests/e2e_test/cache_book_2nd/
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-tests/__pycache__/
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-tests/e2e_test/__pycache__/
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-tests/e2e_test/plantuml_cache/
-
-tests/e2e_test/plantuml_server/
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-tests/e2e_test/plantuml_server_fail/
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-tests/shared_modules/__pycache__/
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-tests/e2e_test/plantuml_shell/