update npm version

Merge pull request #25 from balataca/fix/send_message_button_selector

fix: message button selector

fix wait for loading

Fix msg field selector

update version

fix whatsapp web changes

fix not sending message bug

config github-npm later

fix characters like &, +, =, on message using encodeURIComponent

fix session

fix readme text and npm readme bug

fix code indentation on readme

fix version in package-lock.json

conflict with master resolved, new release