Merge pull request #11 from lisanmorrison/master

Added tooltips to crates
bones of XHR request
Merge pull request #12 from BillMills/master

bones of XHR request
Merge pull request #13 from lisanmorrison/master

Have to push my changes before merging yours
fixed id collision
Merge pull request #14 from BillMills/master

fixed id collision
Formatted tooltips and begun cell colour change