Revert "fix false value validation"

This reverts commit 93855c14a82f9efc774713b7a52d2311d5faf25a.
Revert "fix bool to string"

This reverts commit b29328a73349d8ea89b7b5501cb47a12a664f1bd.
revert remote mysql host support
Merge pull request #316 from aglarendil/fix_mysql

Fix mysql