Bug description

(this template is intended for bug reports, erase it when requesting features/enhancements)

Steps to reproduce the bug

1. go to piskelapp.com
2. Fill a few frames with colour
3. Press Ctrl + Z, sometimes it is fine but most of the time it cuts the bottom off the frames.

Environment details

• operating system: MacOs Mojave
• browser (or offline application vers

https://github.com/FormidableLabs/react-game-kit/blob/e9797f473913a67efe17fae2ed1b991d2508d53e/src/components/loop.js#L38-L48

Since Loop doesn't say anything about rendering, maybe we could change this div to React.Fragment?
I'm happy to make a PR if it's okay.

Hello!

First of all great icon set. So great, that I decided to fork and create an easy to use solution for people using React.

I will try to keep it up to date with master on this repository. I gave you full credit for the icons in my README. Would you like to add my project to yours, so that people can see?

It is on NPM at react-ikonate

When a sprite is selected and the "Copy statement" menu is triggered it doesn’t copy that specific sprite, but the whole SVG itself.

Should also double check all the other copy commands do the correct thing too.

Things to do:

• Correct typos
• Sort methods
• Delete unused functions
• Complete documentation
• Correct documentation
• Improve comments
• Rename methods, variables and classes to more sense

When increasing the size of a Sprite through the props, it only increases the height and width of a container, but doesn't scale up the size of the background image, meaning a 20px icon on a spritesheet when set to height or width 30, will just showing additional parts of surrounding sprites.

Similarly, changing the sprite image size down to 10px will just show a portion of the sprite, not a sm