Fixed Press Keys to send multiple keys correctly
Fixed Press Keys to send multiple keys correctly

Fixes #1489

emanlove/robotframework-selenium2library,rtomac/robotframework-selenium2library,emanlove/robotframework-selenium2library,robotframework/SeleniumLibrary,rtomac/robotframework-selenium2library,rtomac/robotframework-selenium2library,emanlove/robotframework-selenium2library,robotframework/SeleniumLibrary,robotframework/SeleniumLibrary