In all cases where an individual is injured, or his property damaged or destroyed, by the carelessness, negligence, or improper conduct of any railroad company or an officer, agent, or employee of such company, in or by the running of the cars or engines of the company, such company shall be liable to pay damages to anyone whose person or property may be so injured, damaged, or destroyed, notwithstanding any bylaws, rules, regulations, or notices which may be made, passed, or given by such company and which purport to limit the company's liability.