Handle resize of window smoothly.
When drawing blocks, draw them all.
Remove completed TODO comment.
Remember name of blockset for caching purposes.
Create function which concatenates canvases.
Attempt to use canvas concatenation to form blockset layers.
Fix typo.
Fix use of incorrect x position when concatenating canvases.
Rename 'layers' to more accurate 'canvases'.
Store block name; Don't store offset.
Do not pass unneccessary argument to read_block function.
Remove whitespace.
Add get_canvases function.
Add function for clearing local storage.
Store and re-use block canvas urls from local storage.
Modify console log message.
Tidy up block canvas loading code.
Log how long it takes for map to load.
Rename variable.