[Bug] Parsing error when INI file contains comments

`Ini::load_from_file` fails when the INI file starts with comments separated by empty lines. Error ```ini ; This is a comment ; This is a comment ; This is a comment ; This is a comment ; This is a comment ; This is a comment [server] port=80 ``` Error ```ini ; This is a comment ; This is a comment ; This is a comment ; This is a comment ; This is a comment ; This is a comment ; This is a comment ; This is a comment ; This is a comment [server] port=80 ``` Works! ```ini ; This is a comment ; This is a comment ; This is a comment [server] port=80 ```