Hacktoberfest issues still available!

[mbernier]

There are a couple older issues that are available to be completed for Hacktoberfest, rather than creating all new issues - I am listing them here:

• Problem with UTF-8 characters in substitutional tags Problem with UTF-8 characters in substitutional tags #129
• Create a Inbound Parse data parser Create a Inbound Parse data parser #144
• Setting sandbox mode to false generates invalid request when sending mail Setting sandbox mode to false generates invalid request when sending mail #147

Everyone who gets a PR accepted will be sent a link to grab some SendGrid Hacktoberfest swag! For more info, check out https://dx.sendgrid.com/hacktoberfest