Merge pull request #509 from telefonicaid/hardening/doc_improvement

Improve README.md
bug/511_lseek_before_writing_log_lines
Merge branch 'develop' into bug/511_lseek_before_writing_log_lines
Merge pull request #514 from telefonicaid/bug/511_lseek_before_writing_log_lines

Bug/511 lseek before writing log lines