A few minor things in small commits

Hey squire,

Just got around to having a look at your widget. I've done a whole bunch of commits here for you. Most of them are minor and some code formatting stuff for better readability.

If you don't like them then you can ignore them. The main ones that I would definitely suggest are:

https://github.com/BronsonQuick/rapid-twitter-widget/commit/a54c8acb538136b53cc2fd70ccb79c855fba8363

https://github.com/BronsonQuick/rapid-twitter-widget/commit/84e47b4c10fc18618e95dc480d597d1390bf776d

https://github.com/BronsonQuick/rapid-twitter-widget/commit/87f54f7294134d3e81e5d4a9839f0b054cf47638

https://github.com/BronsonQuick/rapid-twitter-widget/commit/6eb71955bdf1ff35cacecf0e5bef9346d671b9b6

My next suggestion would be making the plugin translatable. I thought I'd see what you thought about that before I started on that with you cause I haven't done that for a plugin yet with a .mo file :)

Nice work on the plugin as well. It's damn fast to load tweets :grinning:  I've been wanting to code a faster Twitter widget for WordPress but haven't got around to it so I'm glad you have cause I'll be using this one on sites when I don't need anything else in Jetpack!